21050370

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1933}}^1$

素因数の和:1968

約数の個数: 72

約数和(自身を含む): 60189948

約数和(自身を除く): 39139578

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 121, 165, 198, 242, 330, 363, 495, 605, 726, 990, 1089, 1210, 1815, 1933, 2178, 3630, 3866, 5445, 5799, 9665, 10890, 11598, 17397, 19330, 21263, 28995, 34794, 42526, 57990, 63789, 86985, 106315, 127578, 173970, 191367, 212630, 233893, 318945, 382734, 467786, 637890, 701679, 956835, 1169465, 1403358, 1913670, 2105037, 2338930, 3508395, 4210074, 7016790, 10525185, 21050370]

約数ペア:

[(1, 21050370), (2, 10525185), (3, 7016790), (5, 4210074), (6, 3508395), (9, 2338930), (10, 2105037), (11, 1913670), (15, 1403358), (18, 1169465), (22, 956835), (30, 701679), (33, 637890), (45, 467786), (55, 382734), (66, 318945), (90, 233893), (99, 212630), (110, 191367), (121, 173970), (165, 127578), (198, 106315), (242, 86985), (330, 63789), (363, 57990), (495, 42526), (605, 34794), (726, 28995), (990, 21263), (1089, 19330), (1210, 17397), (1815, 11598), (1933, 10890), (2178, 9665), (3630, 5799), (3866, 5445)]