21000742572

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{580837}}^1$

素因数の和:580998

約数の個数: 48

約数和(自身を含む): 51522653952

約数和(自身を除く): 30521911380

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 131, 138, 262, 276, 393, 524, 786, 1572, 3013, 6026, 9039, 12052, 18078, 36156, 580837, 1161674, 1742511, 2323348, 3485022, 6970044, 13359251, 26718502, 40077753, 53437004, 76089647, 80155506, 152179294, 160311012, 228268941, 304358588, 456537882, 913075764, 1750061881, 3500123762, 5250185643, 7000247524, 10500371286, 21000742572]

約数ペア:

[(1, 21000742572), (2, 10500371286), (3, 7000247524), (4, 5250185643), (6, 3500123762), (12, 1750061881), (23, 913075764), (46, 456537882), (69, 304358588), (92, 228268941), (131, 160311012), (138, 152179294), (262, 80155506), (276, 76089647), (393, 53437004), (524, 40077753), (786, 26718502), (1572, 13359251), (3013, 6970044), (6026, 3485022), (9039, 2323348), (12052, 1742511), (18078, 1161674), (36156, 580837)]