21658156816

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{257003}}^1$

素因数の和:257263

約数の個数: 40

約数和(自身を含む): 43978524480

約数和(自身を除く): 22320367664

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 229, 368, 458, 916, 1832, 3664, 5267, 10534, 21068, 42136, 84272, 257003, 514006, 1028012, 2056024, 4112048, 5911069, 11822138, 23644276, 47288552, 58853687, 94577104, 117707374, 235414748, 470829496, 941658992, 1353634801, 2707269602, 5414539204, 10829078408, 21658156816]

約数ペア:

[(1, 21658156816), (2, 10829078408), (4, 5414539204), (8, 2707269602), (16, 1353634801), (23, 941658992), (46, 470829496), (92, 235414748), (184, 117707374), (229, 94577104), (368, 58853687), (458, 47288552), (916, 23644276), (1832, 11822138), (3664, 5911069), (5267, 4112048), (10534, 2056024), (21068, 1028012), (42136, 514006), (84272, 257003)]