21461085

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3697}}^1$

素因数の和:3754

約数の個数: 32

約数和(自身を含む): 39050880

約数和(自身を除く): 17589795

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 3697, 5805, 11091, 18485, 33273, 55455, 99819, 158971, 166365, 476913, 499095, 794855, 1430739, 2384565, 4292217, 7153695, 21461085]

約数ペア:

[(1, 21461085), (3, 7153695), (5, 4292217), (9, 2384565), (15, 1430739), (27, 794855), (43, 499095), (45, 476913), (129, 166365), (135, 158971), (215, 99819), (387, 55455), (645, 33273), (1161, 18485), (1935, 11091), (3697, 5805)]