21908630

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2437}}^1$

素因数の和:2504

約数の個数: 32

約数和(自身を含む): 42128640

約数和(自身を除く): 20220010

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 145, 155, 290, 310, 899, 1798, 2437, 4495, 4874, 8990, 12185, 24370, 70673, 75547, 141346, 151094, 353365, 377735, 706730, 755470, 2190863, 4381726, 10954315, 21908630]

約数ペア:

[(1, 21908630), (2, 10954315), (5, 4381726), (10, 2190863), (29, 755470), (31, 706730), (58, 377735), (62, 353365), (145, 151094), (155, 141346), (290, 75547), (310, 70673), (899, 24370), (1798, 12185), (2437, 8990), (4495, 4874)]