21098678584

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{521}}^1\times {\mathrm{47309}}^1$

素因数の和:47943

約数の個数: 32

約数和(自身を含む): 40007228400

約数和(自身を除く): 18908549816

約数列:

[1, 2, 4, 8, 107, 214, 428, 521, 856, 1042, 2084, 4168, 47309, 55747, 94618, 111494, 189236, 222988, 378472, 445976, 5062063, 10124126, 20248252, 24647989, 40496504, 49295978, 98591956, 197183912, 2637334823, 5274669646, 10549339292, 21098678584]

約数ペア:

[(1, 21098678584), (2, 10549339292), (4, 5274669646), (8, 2637334823), (107, 197183912), (214, 98591956), (428, 49295978), (521, 40496504), (856, 24647989), (1042, 20248252), (2084, 10124126), (4168, 5062063), (47309, 445976), (55747, 378472), (94618, 222988), (111494, 189236)]