21019716

素因数分解:

$2^2\times 3^3\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:202

約数の個数: 96

約数和(自身を含む): 57576960

約数和(自身を除く): 36557244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 41, 47, 54, 82, 94, 101, 108, 123, 141, 164, 188, 202, 246, 282, 303, 369, 404, 423, 492, 564, 606, 738, 846, 909, 1107, 1212, 1269, 1476, 1692, 1818, 1927, 2214, 2538, 2727, 3636, 3854, 4141, 4428, 4747, 5076, 5454, 5781, 7708, 8282, 9494, 10908, 11562, 12423, 14241, 16564, 17343, 18988, 23124, 24846, 28482, 34686, 37269, 42723, 49692, 52029, 56964, 69372, 74538, 85446, 104058, 111807, 128169, 149076, 170892, 194627, 208116, 223614, 256338, 389254, 447228, 512676, 583881, 778508, 1167762, 1751643, 2335524, 3503286, 5254929, 7006572, 10509858, 21019716]

約数ペア:

[(1, 21019716), (2, 10509858), (3, 7006572), (4, 5254929), (6, 3503286), (9, 2335524), (12, 1751643), (18, 1167762), (27, 778508), (36, 583881), (41, 512676), (47, 447228), (54, 389254), (82, 256338), (94, 223614), (101, 208116), (108, 194627), (123, 170892), (141, 149076), (164, 128169), (188, 111807), (202, 104058), (246, 85446), (282, 74538), (303, 69372), (369, 56964), (404, 52029), (423, 49692), (492, 42723), (564, 37269), (606, 34686), (738, 28482), (846, 24846), (909, 23124), (1107, 18988), (1212, 17343), (1269, 16564), (1476, 14241), (1692, 12423), (1818, 11562), (1927, 10908), (2214, 9494), (2538, 8282), (2727, 7708), (3636, 5781), (3854, 5454), (4141, 5076), (4428, 4747)]