21727264

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1801}}^1$

素因数の和:1853

約数の個数: 48

約数和(自身を含む): 47680920

約数和(自身を除く): 25953656

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 58, 104, 116, 208, 232, 377, 416, 464, 754, 928, 1508, 1801, 3016, 3602, 6032, 7204, 12064, 14408, 23413, 28816, 46826, 52229, 57632, 93652, 104458, 187304, 208916, 374608, 417832, 678977, 749216, 835664, 1357954, 1671328, 2715908, 5431816, 10863632, 21727264]

約数ペア:

[(1, 21727264), (2, 10863632), (4, 5431816), (8, 2715908), (13, 1671328), (16, 1357954), (26, 835664), (29, 749216), (32, 678977), (52, 417832), (58, 374608), (104, 208916), (116, 187304), (208, 104458), (232, 93652), (377, 57632), (416, 52229), (464, 46826), (754, 28816), (928, 23413), (1508, 14408), (1801, 12064), (3016, 7204), (3602, 6032)]