21269524

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{1049}}^1$

素因数の和:1227

約数の個数: 24

約数和(自身を含む): 38543400

約数和(自身を除く): 17273876

約数列:

[1, 2, 4, 37, 74, 137, 148, 274, 548, 1049, 2098, 4196, 5069, 10138, 20276, 38813, 77626, 143713, 155252, 287426, 574852, 5317381, 10634762, 21269524]

約数ペア:

[(1, 21269524), (2, 10634762), (4, 5317381), (37, 574852), (74, 287426), (137, 155252), (148, 143713), (274, 77626), (548, 38813), (1049, 20276), (2098, 10138), (4196, 5069)]