20211886548

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{307}}^2$

素因数の和:691

約数の個数: 216

約数和(自身を含む): 62779796352

約数和(自身を除く): 42567909804

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 37, 42, 46, 63, 69, 74, 84, 92, 111, 126, 138, 148, 161, 207, 222, 252, 259, 276, 307, 322, 333, 414, 444, 483, 518, 614, 644, 666, 777, 828, 851, 921, 966, 1036, 1228, 1332, 1449, 1554, 1702, 1842, 1932, 2149, 2331, 2553, 2763, 2898, 3108, 3404, 3684, 4298, 4662, 5106, 5526, 5796, 5957, 6447, 7061, 7659, 8596, 9324, 10212, 11052, 11359, 11914, 12894, 14122, 15318, 17871, 19341, 21183, 22718, 23828, 25788, 28244, 30636, 34077, 35742, 38682, 42366, 45436, 49427, 53613, 63549, 68154, 71484, 77364, 79513, 84732, 94249, 98854, 102231, 107226, 127098, 136308, 148281, 159026, 188498, 197708, 204462, 214452, 238539, 254196, 261257, 282747, 296562, 318052, 376996, 408924, 444843, 477078, 522514, 565494, 593124, 659743, 715617, 783771, 848241, 889686, 954156, 1045028, 1130988, 1319486, 1431234, 1567542, 1696482, 1779372, 1828799, 1979229, 2167727, 2351313, 2638972, 2862468, 3135084, 3392964, 3487213, 3657598, 3958458, 4335454, 4702626, 5486397, 5937687, 6503181, 6974426, 7315196, 7916916, 8670908, 9405252, 10461639, 10972794, 11875374, 13006362, 13948852, 15174089, 16459191, 19509543, 20923278, 21945588, 23750748, 24410491, 26012724, 30348178, 31384917, 32918382, 39019086, 41846556, 45522267, 48820982, 60696356, 62769834, 65836764, 73231473, 78038172, 80205899, 91044534, 97641964, 125539668, 136566801, 146462946, 160411798, 182089068, 219694419, 240617697, 273133602, 292925892, 320823596, 439388838, 481235394, 546267204, 561441293, 721853091, 878777676, 962470788, 1122882586, 1443706182, 1684323879, 2245765172, 2887412364, 3368647758, 5052971637, 6737295516, 10105943274, 20211886548]

約数ペア:

[(1, 20211886548), (2, 10105943274), (3, 6737295516), (4, 5052971637), (6, 3368647758), (7, 2887412364), (9, 2245765172), (12, 1684323879), (14, 1443706182), (18, 1122882586), (21, 962470788), (23, 878777676), (28, 721853091), (36, 561441293), (37, 546267204), (42, 481235394), (46, 439388838), (63, 320823596), (69, 292925892), (74, 273133602), (84, 240617697), (92, 219694419), (111, 182089068), (126, 160411798), (138, 146462946), (148, 136566801), (161, 125539668), (207, 97641964), (222, 91044534), (252, 80205899), (259, 78038172), (276, 73231473), (307, 65836764), (322, 62769834), (333, 60696356), (414, 48820982), (444, 45522267), (483, 41846556), (518, 39019086), (614, 32918382), (644, 31384917), (666, 30348178), (777, 26012724), (828, 24410491), (851, 23750748), (921, 21945588), (966, 20923278), (1036, 19509543), (1228, 16459191), (1332, 15174089), (1449, 13948852), (1554, 13006362), (1702, 11875374), (1842, 10972794), (1932, 10461639), (2149, 9405252), (2331, 8670908), (2553, 7916916), (2763, 7315196), (2898, 6974426), (3108, 6503181), (3404, 5937687), (3684, 5486397), (4298, 4702626), (4662, 4335454), (5106, 3958458), (5526, 3657598), (5796, 3487213), (5957, 3392964), (6447, 3135084), (7061, 2862468), (7659, 2638972), (8596, 2351313), (9324, 2167727), (10212, 1979229), (11052, 1828799), (11359, 1779372), (11914, 1696482), (12894, 1567542), (14122, 1431234), (15318, 1319486), (17871, 1130988), (19341, 1045028), (21183, 954156), (22718, 889686), (23828, 848241), (25788, 783771), (28244, 715617), (30636, 659743), (34077, 593124), (35742, 565494), (38682, 522514), (42366, 477078), (45436, 444843), (49427, 408924), (53613, 376996), (63549, 318052), (68154, 296562), (71484, 282747), (77364, 261257), (79513, 254196), (84732, 238539), (94249, 214452), (98854, 204462), (102231, 197708), (107226, 188498), (127098, 159026), (136308, 148281)]