21372825710

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{407179}}^1$

素因数の和:407396

約数の個数: 32

約数和(自身を含む): 40017650400

約数和(自身を除く): 18644824690

約数列:

[1, 2, 5, 10, 29, 58, 145, 181, 290, 362, 905, 1810, 5249, 10498, 26245, 52490, 407179, 814358, 2035895, 4071790, 11808191, 23616382, 59040955, 73699399, 118081910, 147398798, 368496995, 736993990, 2137282571, 4274565142, 10686412855, 21372825710]

約数ペア:

[(1, 21372825710), (2, 10686412855), (5, 4274565142), (10, 2137282571), (29, 736993990), (58, 368496995), (145, 147398798), (181, 118081910), (290, 73699399), (362, 59040955), (905, 23616382), (1810, 11808191), (5249, 4071790), (10498, 2035895), (26245, 814358), (52490, 407179)]