21110256

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{4729}}^1$

素因数の和:4774

約数の個数: 60

約数和(自身を含む): 60998080

約数和(自身を除く): 39887824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 186, 248, 279, 372, 496, 558, 744, 1116, 1488, 2232, 4464, 4729, 9458, 14187, 18916, 28374, 37832, 42561, 56748, 75664, 85122, 113496, 146599, 170244, 226992, 293198, 340488, 439797, 586396, 680976, 879594, 1172792, 1319391, 1759188, 2345584, 2638782, 3518376, 5277564, 7036752, 10555128, 21110256]

約数ペア:

[(1, 21110256), (2, 10555128), (3, 7036752), (4, 5277564), (6, 3518376), (8, 2638782), (9, 2345584), (12, 1759188), (16, 1319391), (18, 1172792), (24, 879594), (31, 680976), (36, 586396), (48, 439797), (62, 340488), (72, 293198), (93, 226992), (124, 170244), (144, 146599), (186, 113496), (248, 85122), (279, 75664), (372, 56748), (496, 42561), (558, 37832), (744, 28374), (1116, 18916), (1488, 14187), (2232, 9458), (4464, 4729)]