21874768

素因数分解:

$2^4\times {\mathrm{283}}^1\times {\mathrm{4831}}^1$

素因数の和:5122

約数の個数: 20

約数和(自身を含む): 42540928

約数和(自身を除く): 20666160

約数列:

[1, 2, 4, 8, 16, 283, 566, 1132, 2264, 4528, 4831, 9662, 19324, 38648, 77296, 1367173, 2734346, 5468692, 10937384, 21874768]

約数ペア:

[(1, 21874768), (2, 10937384), (4, 5468692), (8, 2734346), (16, 1367173), (283, 77296), (566, 38648), (1132, 19324), (2264, 9662), (4528, 4831)]