21939618

素因数分解:

$2^1\times 3^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:510

約数の個数: 32

約数和(自身を含む): 44808192

約数和(自身を除く): 22868574

約数列:

[1, 2, 3, 6, 103, 131, 206, 262, 271, 309, 393, 542, 618, 786, 813, 1626, 13493, 26986, 27913, 35501, 40479, 55826, 71002, 80958, 83739, 106503, 167478, 213006, 3656603, 7313206, 10969809, 21939618]

約数ペア:

[(1, 21939618), (2, 10969809), (3, 7313206), (6, 3656603), (103, 213006), (131, 167478), (206, 106503), (262, 83739), (271, 80958), (309, 71002), (393, 55826), (542, 40479), (618, 35501), (786, 27913), (813, 26986), (1626, 13493)]