21159888

素因数分解:

$2^4\times 3^1\times {\mathrm{440831}}^1$

素因数の和:440842

約数の個数: 20

約数和(自身を含む): 54663168

約数和(自身を除く): 33503280

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 440831, 881662, 1322493, 1763324, 2644986, 3526648, 5289972, 7053296, 10579944, 21159888]

約数ペア:

[(1, 21159888), (2, 10579944), (3, 7053296), (4, 5289972), (6, 3526648), (8, 2644986), (12, 1763324), (16, 1322493), (24, 881662), (48, 440831)]