21786856

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29927}}^1$

素因数の和:29953

約数の個数: 32

約数和(自身を含む): 50279040

約数和(自身を除く): 28492184

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 29927, 59854, 119708, 209489, 239416, 389051, 418978, 778102, 837956, 1556204, 1675912, 2723357, 3112408, 5446714, 10893428, 21786856]

約数ペア:

[(1, 21786856), (2, 10893428), (4, 5446714), (7, 3112408), (8, 2723357), (13, 1675912), (14, 1556204), (26, 837956), (28, 778102), (52, 418978), (56, 389051), (91, 239416), (104, 209489), (182, 119708), (364, 59854), (728, 29927)]