21497796

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{7559}}^1$

素因数の和:7648

約数の個数: 36

約数和(自身を含む): 55036800

約数和(自身を除く): 33539004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 158, 237, 316, 474, 711, 948, 1422, 2844, 7559, 15118, 22677, 30236, 45354, 68031, 90708, 136062, 272124, 597161, 1194322, 1791483, 2388644, 3582966, 5374449, 7165932, 10748898, 21497796]

約数ペア:

[(1, 21497796), (2, 10748898), (3, 7165932), (4, 5374449), (6, 3582966), (9, 2388644), (12, 1791483), (18, 1194322), (36, 597161), (79, 272124), (158, 136062), (237, 90708), (316, 68031), (474, 45354), (711, 30236), (948, 22677), (1422, 15118), (2844, 7559)]