21000659416

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12560203}}^1$

素因数の和:12560239

約数の個数: 32

約数和(自身を含む): 45216734400

約数和(自身を除く): 24216074984

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 12560203, 25120406, 50240812, 100481624, 138162233, 238643857, 276324466, 477287714, 552648932, 954575428, 1105297864, 1909150856, 2625082427, 5250164854, 10500329708, 21000659416]

約数ペア:

[(1, 21000659416), (2, 10500329708), (4, 5250164854), (8, 2625082427), (11, 1909150856), (19, 1105297864), (22, 954575428), (38, 552648932), (44, 477287714), (76, 276324466), (88, 238643857), (152, 138162233), (209, 100481624), (418, 50240812), (836, 25120406), (1672, 12560203)]