21981786

素因数分解:

$2^1\times 3^1\times {\mathrm{239}}^1\times {\mathrm{15329}}^1$

素因数の和:15573

約数の個数: 16

約数和(自身を含む): 44150400

約数和(自身を除く): 22168614

約数列:

[1, 2, 3, 6, 239, 478, 717, 1434, 15329, 30658, 45987, 91974, 3663631, 7327262, 10990893, 21981786]

約数ペア:

[(1, 21981786), (2, 10990893), (3, 7327262), (6, 3663631), (239, 91974), (478, 45987), (717, 30658), (1434, 15329)]