21450560

素因数分解:

$2^6\times 5^1\times {\mathrm{67033}}^1$

素因数の和:67050

約数の個数: 28

約数和(自身を含む): 51079908

約数和(自身を除く): 29629348

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 67033, 134066, 268132, 335165, 536264, 670330, 1072528, 1340660, 2145056, 2681320, 4290112, 5362640, 10725280, 21450560]

約数ペア:

[(1, 21450560), (2, 10725280), (4, 5362640), (5, 4290112), (8, 2681320), (10, 2145056), (16, 1340660), (20, 1072528), (32, 670330), (40, 536264), (64, 335165), (80, 268132), (160, 134066), (320, 67033)]