21226512

素因数分解:

$2^4\times 3^1\times {\mathrm{163}}^1\times {\mathrm{2713}}^1$

素因数の和:2887

約数の個数: 40

約数和(自身を含む): 55191904

約数和(自身を除く): 33965392

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 163, 326, 489, 652, 978, 1304, 1956, 2608, 2713, 3912, 5426, 7824, 8139, 10852, 16278, 21704, 32556, 43408, 65112, 130224, 442219, 884438, 1326657, 1768876, 2653314, 3537752, 5306628, 7075504, 10613256, 21226512]

約数ペア:

[(1, 21226512), (2, 10613256), (3, 7075504), (4, 5306628), (6, 3537752), (8, 2653314), (12, 1768876), (16, 1326657), (24, 884438), (48, 442219), (163, 130224), (326, 65112), (489, 43408), (652, 32556), (978, 21704), (1304, 16278), (1956, 10852), (2608, 8139), (2713, 7824), (3912, 5426)]