21410584

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 46368000

約数和(自身を除く): 24957416

約数列:

[1, 2, 4, 8, 13, 26, 29, 31, 52, 58, 62, 104, 116, 124, 229, 232, 248, 377, 403, 458, 754, 806, 899, 916, 1508, 1612, 1798, 1832, 2977, 3016, 3224, 3596, 5954, 6641, 7099, 7192, 11687, 11908, 13282, 14198, 23374, 23816, 26564, 28396, 46748, 53128, 56792, 86333, 92287, 93496, 172666, 184574, 205871, 345332, 369148, 411742, 690664, 738296, 823484, 1646968, 2676323, 5352646, 10705292, 21410584]

約数ペア:

[(1, 21410584), (2, 10705292), (4, 5352646), (8, 2676323), (13, 1646968), (26, 823484), (29, 738296), (31, 690664), (52, 411742), (58, 369148), (62, 345332), (104, 205871), (116, 184574), (124, 172666), (229, 93496), (232, 92287), (248, 86333), (377, 56792), (403, 53128), (458, 46748), (754, 28396), (806, 26564), (899, 23816), (916, 23374), (1508, 14198), (1612, 13282), (1798, 11908), (1832, 11687), (2977, 7192), (3016, 7099), (3224, 6641), (3596, 5954)]