21357376

素因数分解:

$2^6\times {\mathrm{307}}^1\times {\mathrm{1087}}^1$

素因数の和:1406

約数の個数: 28

約数和(自身を含む): 42558208

約数和(自身を除く): 21200832

約数列:

[1, 2, 4, 8, 16, 32, 64, 307, 614, 1087, 1228, 2174, 2456, 4348, 4912, 8696, 9824, 17392, 19648, 34784, 69568, 333709, 667418, 1334836, 2669672, 5339344, 10678688, 21357376]

約数ペア:

[(1, 21357376), (2, 10678688), (4, 5339344), (8, 2669672), (16, 1334836), (32, 667418), (64, 333709), (307, 69568), (614, 34784), (1087, 19648), (1228, 17392), (2174, 9824), (2456, 8696), (4348, 4912)]