21801608

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2521}}^1$

素因数の和:2597

約数の個数: 32

約数和(自身を含む): 43580160

約数和(自身を除く): 21778552

約数列:

[1, 2, 4, 8, 23, 46, 47, 92, 94, 184, 188, 376, 1081, 2162, 2521, 4324, 5042, 8648, 10084, 20168, 57983, 115966, 118487, 231932, 236974, 463864, 473948, 947896, 2725201, 5450402, 10900804, 21801608]

約数ペア:

[(1, 21801608), (2, 10900804), (4, 5450402), (8, 2725201), (23, 947896), (46, 473948), (47, 463864), (92, 236974), (94, 231932), (184, 118487), (188, 115966), (376, 57983), (1081, 20168), (2162, 10084), (2521, 8648), (4324, 5042)]