21796870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{977}}^1$

素因数の和:1104

約数の個数: 32

約数和(自身を含む): 41404608

約数和(自身を除く): 19607738

約数列:

[1, 2, 5, 10, 23, 46, 97, 115, 194, 230, 485, 970, 977, 1954, 2231, 4462, 4885, 9770, 11155, 22310, 22471, 44942, 94769, 112355, 189538, 224710, 473845, 947690, 2179687, 4359374, 10898435, 21796870]

約数ペア:

[(1, 21796870), (2, 10898435), (5, 4359374), (10, 2179687), (23, 947690), (46, 473845), (97, 224710), (115, 189538), (194, 112355), (230, 94769), (485, 44942), (970, 22471), (977, 22310), (1954, 11155), (2231, 9770), (4462, 4885)]