21125060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{733}}^1$

素因数の和:884

約数の個数: 48

約数和(自身を含む): 48831552

約数和(自身を除く): 27706492

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 131, 220, 262, 524, 655, 733, 1310, 1441, 1466, 2620, 2882, 2932, 3665, 5764, 7205, 7330, 8063, 14410, 14660, 16126, 28820, 32252, 40315, 80630, 96023, 161260, 192046, 384092, 480115, 960230, 1056253, 1920460, 2112506, 4225012, 5281265, 10562530, 21125060]

約数ペア:

[(1, 21125060), (2, 10562530), (4, 5281265), (5, 4225012), (10, 2112506), (11, 1920460), (20, 1056253), (22, 960230), (44, 480115), (55, 384092), (110, 192046), (131, 161260), (220, 96023), (262, 80630), (524, 40315), (655, 32252), (733, 28820), (1310, 16126), (1441, 14660), (1466, 14410), (2620, 8063), (2882, 7330), (2932, 7205), (3665, 5764)]