21985434

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{17203}}^1$

素因数の和:17282

約数の個数: 24

約数和(自身を含む): 48308832

約数和(自身を除く): 26323398

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 17203, 34406, 51609, 103218, 154827, 309654, 1221413, 2442826, 3664239, 7328478, 10992717, 21985434]

約数ペア:

[(1, 21985434), (2, 10992717), (3, 7328478), (6, 3664239), (9, 2442826), (18, 1221413), (71, 309654), (142, 154827), (213, 103218), (426, 51609), (639, 34406), (1278, 17203)]