21358896

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^2\times {\mathrm{2633}}^1$

素因数の和:2670

約数の個数: 60

約数和(自身を含む): 59770728

約数和(自身を除く): 38411832

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 169, 208, 312, 338, 507, 624, 676, 1014, 1352, 2028, 2633, 2704, 4056, 5266, 7899, 8112, 10532, 15798, 21064, 31596, 34229, 42128, 63192, 68458, 102687, 126384, 136916, 205374, 273832, 410748, 444977, 547664, 821496, 889954, 1334931, 1642992, 1779908, 2669862, 3559816, 5339724, 7119632, 10679448, 21358896]

約数ペア:

[(1, 21358896), (2, 10679448), (3, 7119632), (4, 5339724), (6, 3559816), (8, 2669862), (12, 1779908), (13, 1642992), (16, 1334931), (24, 889954), (26, 821496), (39, 547664), (48, 444977), (52, 410748), (78, 273832), (104, 205374), (156, 136916), (169, 126384), (208, 102687), (312, 68458), (338, 63192), (507, 42128), (624, 34229), (676, 31596), (1014, 21064), (1352, 15798), (2028, 10532), (2633, 8112), (2704, 7899), (4056, 5266)]