21436808

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{317}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 41212800

約数和(自身を除く): 19775992

約数列:

[1, 2, 4, 8, 79, 107, 158, 214, 316, 317, 428, 632, 634, 856, 1268, 2536, 8453, 16906, 25043, 33812, 33919, 50086, 67624, 67838, 100172, 135676, 200344, 271352, 2679601, 5359202, 10718404, 21436808]

約数ペア:

[(1, 21436808), (2, 10718404), (4, 5359202), (8, 2679601), (79, 271352), (107, 200344), (158, 135676), (214, 100172), (316, 67838), (317, 67624), (428, 50086), (632, 33919), (634, 33812), (856, 25043), (1268, 16906), (2536, 8453)]