21255792

素因数分解:

$2^4\times 3^1\times {\mathrm{442829}}^1$

素因数の和:442840

約数の個数: 20

約数和(自身を含む): 54910920

約数和(自身を除く): 33655128

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 442829, 885658, 1328487, 1771316, 2656974, 3542632, 5313948, 7085264, 10627896, 21255792]

約数ペア:

[(1, 21255792), (2, 10627896), (3, 7085264), (4, 5313948), (6, 3542632), (8, 2656974), (12, 1771316), (16, 1328487), (24, 885658), (48, 442829)]