21304328

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{401}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 41607000

約数和(自身を除く): 20302672

約数列:

[1, 2, 4, 8, 29, 58, 116, 229, 232, 401, 458, 802, 916, 1604, 1832, 3208, 6641, 11629, 13282, 23258, 26564, 46516, 53128, 91829, 93032, 183658, 367316, 734632, 2663041, 5326082, 10652164, 21304328]

約数ペア:

[(1, 21304328), (2, 10652164), (4, 5326082), (8, 2663041), (29, 734632), (58, 367316), (116, 183658), (229, 93032), (232, 91829), (401, 53128), (458, 46516), (802, 26564), (916, 23258), (1604, 13282), (1832, 11629), (3208, 6641)]