21901696

素因数分解:

$2^7\times {\mathrm{397}}^1\times {\mathrm{431}}^1$

素因数の和:842

約数の個数: 32

約数和(自身を含む): 43843680

約数和(自身を除く): 21941984

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 397, 431, 794, 862, 1588, 1724, 3176, 3448, 6352, 6896, 12704, 13792, 25408, 27584, 50816, 55168, 171107, 342214, 684428, 1368856, 2737712, 5475424, 10950848, 21901696]

約数ペア:

[(1, 21901696), (2, 10950848), (4, 5475424), (8, 2737712), (16, 1368856), (32, 684428), (64, 342214), (128, 171107), (397, 55168), (431, 50816), (794, 27584), (862, 25408), (1588, 13792), (1724, 12704), (3176, 6896), (3448, 6352)]