21925616

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:369

約数の個数: 40

約数和(自身を含む): 43736784

約数和(自身を除く): 21811168

約数列:

[1, 2, 4, 8, 16, 67, 113, 134, 181, 226, 268, 362, 452, 536, 724, 904, 1072, 1448, 1808, 2896, 7571, 12127, 15142, 20453, 24254, 30284, 40906, 48508, 60568, 81812, 97016, 121136, 163624, 194032, 327248, 1370351, 2740702, 5481404, 10962808, 21925616]

約数ペア:

[(1, 21925616), (2, 10962808), (4, 5481404), (8, 2740702), (16, 1370351), (67, 327248), (113, 194032), (134, 163624), (181, 121136), (226, 97016), (268, 81812), (362, 60568), (452, 48508), (536, 40906), (724, 30284), (904, 24254), (1072, 20453), (1448, 15142), (1808, 12127), (2896, 7571)]