21158976

素因数分解:

$2^6\times 3^1\times {\mathrm{193}}^1\times {\mathrm{571}}^1$

素因数の和:779

約数の個数: 56

約数和(自身を含む): 56371744

約数和(自身を除く): 35212768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 193, 386, 571, 579, 772, 1142, 1158, 1544, 1713, 2284, 2316, 3088, 3426, 4568, 4632, 6176, 6852, 9136, 9264, 12352, 13704, 18272, 18528, 27408, 36544, 37056, 54816, 109632, 110203, 220406, 330609, 440812, 661218, 881624, 1322436, 1763248, 2644872, 3526496, 5289744, 7052992, 10579488, 21158976]

約数ペア:

[(1, 21158976), (2, 10579488), (3, 7052992), (4, 5289744), (6, 3526496), (8, 2644872), (12, 1763248), (16, 1322436), (24, 881624), (32, 661218), (48, 440812), (64, 330609), (96, 220406), (192, 110203), (193, 109632), (386, 54816), (571, 37056), (579, 36544), (772, 27408), (1142, 18528), (1158, 18272), (1544, 13704), (1713, 12352), (2284, 9264), (2316, 9136), (3088, 6852), (3426, 6176), (4568, 4632)]