21388056

素因数分解:

$2^3\times 3^1\times {\mathrm{149}}^1\times {\mathrm{5981}}^1$

素因数の和:6139

約数の個数: 32

約数和(自身を含む): 53838000

約数和(自身を除く): 32449944

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 149, 298, 447, 596, 894, 1192, 1788, 3576, 5981, 11962, 17943, 23924, 35886, 47848, 71772, 143544, 891169, 1782338, 2673507, 3564676, 5347014, 7129352, 10694028, 21388056]

約数ペア:

[(1, 21388056), (2, 10694028), (3, 7129352), (4, 5347014), (6, 3564676), (8, 2673507), (12, 1782338), (24, 891169), (149, 143544), (298, 71772), (447, 47848), (596, 35886), (894, 23924), (1192, 17943), (1788, 11962), (3576, 5981)]