21665580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{361093}}^1$

素因数の和:361105

約数の個数: 24

約数和(自身を含む): 60663792

約数和(自身を除く): 38998212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 361093, 722186, 1083279, 1444372, 1805465, 2166558, 3610930, 4333116, 5416395, 7221860, 10832790, 21665580]

約数ペア:

[(1, 21665580), (2, 10832790), (3, 7221860), (4, 5416395), (5, 4333116), (6, 3610930), (10, 2166558), (12, 1805465), (15, 1444372), (20, 1083279), (30, 722186), (60, 361093)]