21715596

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:208

約数の個数: 144

約数和(自身を含む): 68717376

約数和(自身を除く): 47001780

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 37, 42, 51, 63, 68, 74, 84, 102, 111, 119, 126, 137, 148, 153, 204, 222, 238, 252, 259, 274, 306, 333, 357, 411, 444, 476, 518, 548, 612, 629, 666, 714, 777, 822, 959, 1036, 1071, 1233, 1258, 1332, 1428, 1554, 1644, 1887, 1918, 2142, 2329, 2331, 2466, 2516, 2877, 3108, 3774, 3836, 4284, 4403, 4658, 4662, 4932, 5069, 5661, 5754, 6987, 7548, 8631, 8806, 9316, 9324, 10138, 11322, 11508, 13209, 13974, 15207, 16303, 17262, 17612, 20276, 20961, 22644, 26418, 27948, 30414, 32606, 34524, 35483, 39627, 41922, 45621, 48909, 52836, 60828, 65212, 70966, 79254, 83844, 86173, 91242, 97818, 106449, 141932, 146727, 158508, 172346, 182484, 195636, 212898, 258519, 293454, 319347, 344692, 425796, 517038, 586908, 603211, 638694, 775557, 1034076, 1206422, 1277388, 1551114, 1809633, 2412844, 3102228, 3619266, 5428899, 7238532, 10857798, 21715596]

約数ペア:

[(1, 21715596), (2, 10857798), (3, 7238532), (4, 5428899), (6, 3619266), (7, 3102228), (9, 2412844), (12, 1809633), (14, 1551114), (17, 1277388), (18, 1206422), (21, 1034076), (28, 775557), (34, 638694), (36, 603211), (37, 586908), (42, 517038), (51, 425796), (63, 344692), (68, 319347), (74, 293454), (84, 258519), (102, 212898), (111, 195636), (119, 182484), (126, 172346), (137, 158508), (148, 146727), (153, 141932), (204, 106449), (222, 97818), (238, 91242), (252, 86173), (259, 83844), (274, 79254), (306, 70966), (333, 65212), (357, 60828), (411, 52836), (444, 48909), (476, 45621), (518, 41922), (548, 39627), (612, 35483), (629, 34524), (666, 32606), (714, 30414), (777, 27948), (822, 26418), (959, 22644), (1036, 20961), (1071, 20276), (1233, 17612), (1258, 17262), (1332, 16303), (1428, 15207), (1554, 13974), (1644, 13209), (1887, 11508), (1918, 11322), (2142, 10138), (2329, 9324), (2331, 9316), (2466, 8806), (2516, 8631), (2877, 7548), (3108, 6987), (3774, 5754), (3836, 5661), (4284, 5069), (4403, 4932), (4658, 4662)]