21930380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37811}}^1$

素因数の和:37849

約数の個数: 24

約数和(自身を含む): 47643120

約数和(自身を除く): 25712740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 37811, 75622, 151244, 189055, 378110, 756220, 1096519, 2193038, 4386076, 5482595, 10965190, 21930380]

約数ペア:

[(1, 21930380), (2, 10965190), (4, 5482595), (5, 4386076), (10, 2193038), (20, 1096519), (29, 756220), (58, 378110), (116, 189055), (145, 151244), (290, 75622), (580, 37811)]