21664203

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{1613}}^1$

素因数の和:1675

約数の個数: 24

約数和(自身を含む): 32628624

約数和(自身を除く): 10964421

約数列:

[1, 3, 11, 33, 37, 111, 121, 363, 407, 1221, 1613, 4477, 4839, 13431, 17743, 53229, 59681, 179043, 195173, 585519, 656491, 1969473, 7221401, 21664203]

約数ペア:

[(1, 21664203), (3, 7221401), (11, 1969473), (33, 656491), (37, 585519), (111, 195173), (121, 179043), (363, 59681), (407, 53229), (1221, 17743), (1613, 13431), (4477, 4839)]