21349170

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{26357}}^1$

素因数の和:26376

約数の個数: 40

約数和(自身を含む): 57407724

約数和(自身を除く): 36058554

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 26357, 52714, 79071, 131785, 158142, 237213, 263570, 395355, 474426, 711639, 790710, 1186065, 1423278, 2134917, 2372130, 3558195, 4269834, 7116390, 10674585, 21349170]

約数ペア:

[(1, 21349170), (2, 10674585), (3, 7116390), (5, 4269834), (6, 3558195), (9, 2372130), (10, 2134917), (15, 1423278), (18, 1186065), (27, 790710), (30, 711639), (45, 474426), (54, 395355), (81, 263570), (90, 237213), (135, 158142), (162, 131785), (270, 79071), (405, 52714), (810, 26357)]