21945588

素因数分解:

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

素因数の和:381

約数の個数: 96

約数和(自身を含む): 62920704

約数和(自身を除く): 40975116

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 37, 42, 46, 69, 74, 84, 92, 111, 138, 148, 161, 222, 259, 276, 307, 322, 444, 483, 518, 614, 644, 777, 851, 921, 966, 1036, 1228, 1554, 1702, 1842, 1932, 2149, 2553, 3108, 3404, 3684, 4298, 5106, 5957, 6447, 7061, 8596, 10212, 11359, 11914, 12894, 14122, 17871, 21183, 22718, 23828, 25788, 28244, 34077, 35742, 42366, 45436, 49427, 68154, 71484, 79513, 84732, 98854, 136308, 148281, 159026, 197708, 238539, 261257, 296562, 318052, 477078, 522514, 593124, 783771, 954156, 1045028, 1567542, 1828799, 3135084, 3657598, 5486397, 7315196, 10972794, 21945588]

約数ペア:

[(1, 21945588), (2, 10972794), (3, 7315196), (4, 5486397), (6, 3657598), (7, 3135084), (12, 1828799), (14, 1567542), (21, 1045028), (23, 954156), (28, 783771), (37, 593124), (42, 522514), (46, 477078), (69, 318052), (74, 296562), (84, 261257), (92, 238539), (111, 197708), (138, 159026), (148, 148281), (161, 136308), (222, 98854), (259, 84732), (276, 79513), (307, 71484), (322, 68154), (444, 49427), (483, 45436), (518, 42366), (614, 35742), (644, 34077), (777, 28244), (851, 25788), (921, 23828), (966, 22718), (1036, 21183), (1228, 17871), (1554, 14122), (1702, 12894), (1842, 11914), (1932, 11359), (2149, 10212), (2553, 8596), (3108, 7061), (3404, 6447), (3684, 5957), (4298, 5106)]