21210124

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{4583}}^1$

素因数の和:4689

約数の個数: 24

約数和(自身を含む): 40430880

約数和(自身を除く): 19220756

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4583, 4628, 9166, 18332, 59579, 119158, 238316, 407887, 815774, 1631548, 5302531, 10605062, 21210124]

約数ペア:

[(1, 21210124), (2, 10605062), (4, 5302531), (13, 1631548), (26, 815774), (52, 407887), (89, 238316), (178, 119158), (356, 59579), (1157, 18332), (2314, 9166), (4583, 4628)]