21000746460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2969}}^1\times {\mathrm{117889}}^1$

素因数の和:120870

約数の個数: 48

約数和(自身を含む): 58822394400

約数和(自身を除く): 37821647940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2969, 5938, 8907, 11876, 14845, 17814, 29690, 35628, 44535, 59380, 89070, 117889, 178140, 235778, 353667, 471556, 589445, 707334, 1178890, 1414668, 1768335, 2357780, 3536670, 7073340, 350012441, 700024882, 1050037323, 1400049764, 1750062205, 2100074646, 3500124410, 4200149292, 5250186615, 7000248820, 10500373230, 21000746460]

約数ペア:

[(1, 21000746460), (2, 10500373230), (3, 7000248820), (4, 5250186615), (5, 4200149292), (6, 3500124410), (10, 2100074646), (12, 1750062205), (15, 1400049764), (20, 1050037323), (30, 700024882), (60, 350012441), (2969, 7073340), (5938, 3536670), (8907, 2357780), (11876, 1768335), (14845, 1414668), (17814, 1178890), (29690, 707334), (35628, 589445), (44535, 471556), (59380, 353667), (89070, 235778), (117889, 178140)]