21371248

素因数分解:

$2^4\times {\mathrm{691}}^1\times {\mathrm{1933}}^1$

素因数の和:2632

約数の個数: 20

約数和(自身を含む): 41488168

約数和(自身を除く): 20116920

約数列:

[1, 2, 4, 8, 16, 691, 1382, 1933, 2764, 3866, 5528, 7732, 11056, 15464, 30928, 1335703, 2671406, 5342812, 10685624, 21371248]

約数ペア:

[(1, 21371248), (2, 10685624), (4, 5342812), (8, 2671406), (16, 1335703), (691, 30928), (1382, 15464), (1933, 11056), (2764, 7732), (3866, 5528)]