21399792

素因数分解:

$2^4\times 3^1\times {\mathrm{445829}}^1$

素因数の和:445840

約数の個数: 20

約数和(自身を含む): 55282920

約数和(自身を除く): 33883128

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 445829, 891658, 1337487, 1783316, 2674974, 3566632, 5349948, 7133264, 10699896, 21399792]

約数ペア:

[(1, 21399792), (2, 10699896), (3, 7133264), (4, 5349948), (6, 3566632), (8, 2674974), (12, 1783316), (16, 1337487), (24, 891658), (48, 445829)]