21335380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{96979}}^1$

素因数の和:96999

約数の個数: 24

約数和(自身を含む): 48877920

約数和(自身を除く): 27542540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 96979, 193958, 387916, 484895, 969790, 1066769, 1939580, 2133538, 4267076, 5333845, 10667690, 21335380]

約数ペア:

[(1, 21335380), (2, 10667690), (4, 5333845), (5, 4267076), (10, 2133538), (11, 1939580), (20, 1066769), (22, 969790), (44, 484895), (55, 387916), (110, 193958), (220, 96979)]