21873830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{6857}}^1$

素因数の和:6904

約数の個数: 32

約数和(自身を含む): 44439840

約数和(自身を除く): 22566010

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 6857, 13714, 34285, 68570, 75427, 150854, 198853, 377135, 397706, 754270, 994265, 1988530, 2187383, 4374766, 10936915, 21873830]

約数ペア:

[(1, 21873830), (2, 10936915), (5, 4374766), (10, 2187383), (11, 1988530), (22, 994265), (29, 754270), (55, 397706), (58, 377135), (110, 198853), (145, 150854), (290, 75427), (319, 68570), (638, 34285), (1595, 13714), (3190, 6857)]