21000307072

素因数分解:

$2^7\times {\mathrm{59}}^1\times {\mathrm{2780761}}^1$

素因数の和:2780834

約数の個数: 32

約数和(自身を含む): 42545658600

約数和(自身を除く): 21545351528

約数列:

[1, 2, 4, 8, 16, 32, 59, 64, 118, 128, 236, 472, 944, 1888, 3776, 7552, 2780761, 5561522, 11123044, 22246088, 44492176, 88984352, 164064899, 177968704, 328129798, 355937408, 656259596, 1312519192, 2625038384, 5250076768, 10500153536, 21000307072]

約数ペア:

[(1, 21000307072), (2, 10500153536), (4, 5250076768), (8, 2625038384), (16, 1312519192), (32, 656259596), (59, 355937408), (64, 328129798), (118, 177968704), (128, 164064899), (236, 88984352), (472, 44492176), (944, 22246088), (1888, 11123044), (3776, 5561522), (7552, 2780761)]