21321764

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{179}}^1\times {\mathrm{307}}^1$

素因数の和:587

約数の個数: 24

約数和(自身を含む): 38031840

約数和(自身を除く): 16710076

約数列:

[1, 2, 4, 97, 179, 194, 307, 358, 388, 614, 716, 1228, 17363, 29779, 34726, 54953, 59558, 69452, 109906, 119116, 219812, 5330441, 10660882, 21321764]

約数ペア:

[(1, 21321764), (2, 10660882), (4, 5330441), (97, 219812), (179, 119116), (194, 109906), (307, 69452), (358, 59558), (388, 54953), (614, 34726), (716, 29779), (1228, 17363)]