21437772

素因数分解:

$2^2\times 3^1\times {\mathrm{151}}^1\times {\mathrm{11831}}^1$

素因数の和:11989

約数の個数: 24

約数和(自身を含む): 50356992

約数和(自身を除く): 28919220

約数列:

[1, 2, 3, 4, 6, 12, 151, 302, 453, 604, 906, 1812, 11831, 23662, 35493, 47324, 70986, 141972, 1786481, 3572962, 5359443, 7145924, 10718886, 21437772]

約数ペア:

[(1, 21437772), (2, 10718886), (3, 7145924), (4, 5359443), (6, 3572962), (12, 1786481), (151, 141972), (302, 70986), (453, 47324), (604, 35493), (906, 23662), (1812, 11831)]