21353384

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 45964800

約数和(自身を除く): 24611416

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 79, 92, 104, 113, 158, 184, 226, 299, 316, 452, 598, 632, 904, 1027, 1196, 1469, 1817, 2054, 2392, 2599, 2938, 3634, 4108, 5198, 5876, 7268, 8216, 8927, 10396, 11752, 14536, 17854, 20792, 23621, 33787, 35708, 47242, 67574, 71416, 94484, 116051, 135148, 188968, 205321, 232102, 270296, 410642, 464204, 821284, 928408, 1642568, 2669173, 5338346, 10676692, 21353384]

約数ペア:

[(1, 21353384), (2, 10676692), (4, 5338346), (8, 2669173), (13, 1642568), (23, 928408), (26, 821284), (46, 464204), (52, 410642), (79, 270296), (92, 232102), (104, 205321), (113, 188968), (158, 135148), (184, 116051), (226, 94484), (299, 71416), (316, 67574), (452, 47242), (598, 35708), (632, 33787), (904, 23621), (1027, 20792), (1196, 17854), (1469, 14536), (1817, 11752), (2054, 10396), (2392, 8927), (2599, 8216), (2938, 7268), (3634, 5876), (4108, 5198)]