21058600

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1483}}^1$

素因数の和:1570

約数の個数: 48

約数和(自身を含む): 49684320

約数和(自身を除く): 28625720

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 710, 1420, 1483, 1775, 2840, 2966, 3550, 5932, 7100, 7415, 11864, 14200, 14830, 29660, 37075, 59320, 74150, 105293, 148300, 210586, 296600, 421172, 526465, 842344, 1052930, 2105860, 2632325, 4211720, 5264650, 10529300, 21058600]

約数ペア:

[(1, 21058600), (2, 10529300), (4, 5264650), (5, 4211720), (8, 2632325), (10, 2105860), (20, 1052930), (25, 842344), (40, 526465), (50, 421172), (71, 296600), (100, 210586), (142, 148300), (200, 105293), (284, 74150), (355, 59320), (568, 37075), (710, 29660), (1420, 14830), (1483, 14200), (1775, 11864), (2840, 7415), (2966, 7100), (3550, 5932)]