21644408

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{881}}^1$

素因数の和:1007

約数の個数: 32

約数和(自身を含む): 42230160

約数和(自身を除く): 20585752

約数列:

[1, 2, 4, 8, 37, 74, 83, 148, 166, 296, 332, 664, 881, 1762, 3071, 3524, 6142, 7048, 12284, 24568, 32597, 65194, 73123, 130388, 146246, 260776, 292492, 584984, 2705551, 5411102, 10822204, 21644408]

約数ペア:

[(1, 21644408), (2, 10822204), (4, 5411102), (8, 2705551), (37, 584984), (74, 292492), (83, 260776), (148, 146246), (166, 130388), (296, 73123), (332, 65194), (664, 32597), (881, 24568), (1762, 12284), (3071, 7048), (3524, 6142)]