21854060

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{347}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 47706624

約数和(自身を除く): 25852564

約数列:

[1, 2, 4, 5, 10, 20, 47, 67, 94, 134, 188, 235, 268, 335, 347, 470, 670, 694, 940, 1340, 1388, 1735, 3149, 3470, 6298, 6940, 12596, 15745, 16309, 23249, 31490, 32618, 46498, 62980, 65236, 81545, 92996, 116245, 163090, 232490, 326180, 464980, 1092703, 2185406, 4370812, 5463515, 10927030, 21854060]

約数ペア:

[(1, 21854060), (2, 10927030), (4, 5463515), (5, 4370812), (10, 2185406), (20, 1092703), (47, 464980), (67, 326180), (94, 232490), (134, 163090), (188, 116245), (235, 92996), (268, 81545), (335, 65236), (347, 62980), (470, 46498), (670, 32618), (694, 31490), (940, 23249), (1340, 16309), (1388, 15745), (1735, 12596), (3149, 6940), (3470, 6298)]