21754798

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{593}}^1$

素因数の和:708

約数の個数: 32

約数和(自身を含む): 37721376

約数和(自身を除く): 15966578

約数列:

[1, 2, 13, 17, 26, 34, 83, 166, 221, 442, 593, 1079, 1186, 1411, 2158, 2822, 7709, 10081, 15418, 18343, 20162, 36686, 49219, 98438, 131053, 262106, 639847, 836723, 1279694, 1673446, 10877399, 21754798]

約数ペア:

[(1, 21754798), (2, 10877399), (13, 1673446), (17, 1279694), (26, 836723), (34, 639847), (83, 262106), (166, 131053), (221, 98438), (442, 49219), (593, 36686), (1079, 20162), (1186, 18343), (1411, 15418), (2158, 10081), (2822, 7709)]