21537103664

素因数分解:

$2^4\times {\mathrm{263}}^1\times {\mathrm{1531}}^1\times {\mathrm{3343}}^1$

素因数の和:5145

約数の個数: 40

約数和(自身を含む): 41926697472

約数和(自身を除く): 20389593808

約数列:

[1, 2, 4, 8, 16, 263, 526, 1052, 1531, 2104, 3062, 3343, 4208, 6124, 6686, 12248, 13372, 24496, 26744, 53488, 402653, 805306, 879209, 1610612, 1758418, 3221224, 3516836, 5118133, 6442448, 7033672, 10236266, 14067344, 20472532, 40945064, 81890128, 1346068979, 2692137958, 5384275916, 10768551832, 21537103664]

約数ペア:

[(1, 21537103664), (2, 10768551832), (4, 5384275916), (8, 2692137958), (16, 1346068979), (263, 81890128), (526, 40945064), (1052, 20472532), (1531, 14067344), (2104, 10236266), (3062, 7033672), (3343, 6442448), (4208, 5118133), (6124, 3516836), (6686, 3221224), (12248, 1758418), (13372, 1610612), (24496, 879209), (26744, 805306), (53488, 402653)]