21663126

素因数分解:

$2^1\times 3^4\times {\mathrm{133723}}^1$

素因数の和:133737

約数の個数: 20

約数和(自身を含む): 48541812

約数和(自身を除く): 26878686

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 133723, 267446, 401169, 802338, 1203507, 2407014, 3610521, 7221042, 10831563, 21663126]

約数ペア:

[(1, 21663126), (2, 10831563), (3, 7221042), (6, 3610521), (9, 2407014), (18, 1203507), (27, 802338), (54, 401169), (81, 267446), (162, 133723)]