21431254

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{48487}}^1$

素因数の和:48519

約数の個数: 16

約数和(自身を含む): 36656928

約数和(自身を除く): 15225674

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 48487, 96974, 630331, 824279, 1260662, 1648558, 10715627, 21431254]

約数ペア:

[(1, 21431254), (2, 10715627), (13, 1648558), (17, 1260662), (26, 824279), (34, 630331), (221, 96974), (442, 48487)]