21351916

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{881}}^1$

素因数の和:1041

約数の個数: 24

約数和(自身を含む): 38377584

約数和(自身を除く): 17025668

約数列:

[1, 2, 4, 73, 83, 146, 166, 292, 332, 881, 1762, 3524, 6059, 12118, 24236, 64313, 73123, 128626, 146246, 257252, 292492, 5337979, 10675958, 21351916]

約数ペア:

[(1, 21351916), (2, 10675958), (4, 5337979), (73, 292492), (83, 257252), (146, 146246), (166, 128626), (292, 73123), (332, 64313), (881, 24236), (1762, 12118), (3524, 6059)]