21170068

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{313}}^1\times {\mathrm{457}}^1$

素因数の和:811

約数の個数: 24

約数和(自身を含む): 38253992

約数和(自身を除く): 17083924

約数列:

[1, 2, 4, 37, 74, 148, 313, 457, 626, 914, 1252, 1828, 11581, 16909, 23162, 33818, 46324, 67636, 143041, 286082, 572164, 5292517, 10585034, 21170068]

約数ペア:

[(1, 21170068), (2, 10585034), (4, 5292517), (37, 572164), (74, 286082), (148, 143041), (313, 67636), (457, 46324), (626, 33818), (914, 23162), (1252, 16909), (1828, 11581)]