21910600

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1543}}^1$

素因数の和:1630

約数の個数: 48

約数和(自身を含む): 51693120

約数和(自身を除く): 29782520

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 710, 1420, 1543, 1775, 2840, 3086, 3550, 6172, 7100, 7715, 12344, 14200, 15430, 30860, 38575, 61720, 77150, 109553, 154300, 219106, 308600, 438212, 547765, 876424, 1095530, 2191060, 2738825, 4382120, 5477650, 10955300, 21910600]

約数ペア:

[(1, 21910600), (2, 10955300), (4, 5477650), (5, 4382120), (8, 2738825), (10, 2191060), (20, 1095530), (25, 876424), (40, 547765), (50, 438212), (71, 308600), (100, 219106), (142, 154300), (200, 109553), (284, 77150), (355, 61720), (568, 38575), (710, 30860), (1420, 15430), (1543, 14200), (1775, 12344), (2840, 7715), (3086, 7100), (3550, 6172)]