21318672

素因数分解:

$2^4\times 3^1\times {\mathrm{601}}^1\times {\mathrm{739}}^1$

素因数の和:1351

約数の個数: 40

約数和(自身を含む): 55239520

約数和(自身を除く): 33920848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 601, 739, 1202, 1478, 1803, 2217, 2404, 2956, 3606, 4434, 4808, 5912, 7212, 8868, 9616, 11824, 14424, 17736, 28848, 35472, 444139, 888278, 1332417, 1776556, 2664834, 3553112, 5329668, 7106224, 10659336, 21318672]

約数ペア:

[(1, 21318672), (2, 10659336), (3, 7106224), (4, 5329668), (6, 3553112), (8, 2664834), (12, 1776556), (16, 1332417), (24, 888278), (48, 444139), (601, 35472), (739, 28848), (1202, 17736), (1478, 14424), (1803, 11824), (2217, 9616), (2404, 8868), (2956, 7212), (3606, 5912), (4434, 4808)]