21061743

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{2221}}^1$

素因数の和:2362

約数の個数: 16

約数和(自身を含む): 29330400

約数和(自身を除く): 8268657

約数列:

[1, 3, 29, 87, 109, 327, 2221, 3161, 6663, 9483, 64409, 193227, 242089, 726267, 7020581, 21061743]

約数ペア:

[(1, 21061743), (3, 7020581), (29, 726267), (87, 242089), (109, 193227), (327, 64409), (2221, 9483), (3161, 6663)]