21000775061

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{1231}}^1\times {\mathrm{39953}}^1$

素因数の和:41252

約数の個数: 16

約数和(自身を含む): 24414770688

約数和(自身を除く): 3413995627

約数列:

[1, 7, 61, 427, 1231, 8617, 39953, 75091, 279671, 525637, 2437133, 17059931, 49182143, 344275001, 3000110723, 21000775061]

約数ペア:

[(1, 21000775061), (7, 3000110723), (61, 344275001), (427, 49182143), (1231, 17059931), (8617, 2437133), (39953, 525637), (75091, 279671)]