21790832

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6709}}^1$

素因数の和:6753

約数の個数: 40

約数和(自身を含む): 49922400

約数和(自身を除く): 28131568

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 203, 232, 406, 464, 812, 1624, 3248, 6709, 13418, 26836, 46963, 53672, 93926, 107344, 187852, 194561, 375704, 389122, 751408, 778244, 1361927, 1556488, 2723854, 3112976, 5447708, 10895416, 21790832]

約数ペア:

[(1, 21790832), (2, 10895416), (4, 5447708), (7, 3112976), (8, 2723854), (14, 1556488), (16, 1361927), (28, 778244), (29, 751408), (56, 389122), (58, 375704), (112, 194561), (116, 187852), (203, 107344), (232, 93926), (406, 53672), (464, 46963), (812, 26836), (1624, 13418), (3248, 6709)]