21893907

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{45329}}^1$

素因数の和:45362

約数の個数: 16

約数和(自身を含む): 34813440

約数和(自身を除く): 12919533

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 45329, 135987, 317303, 951909, 1042567, 3127701, 7297969, 21893907]

約数ペア:

[(1, 21893907), (3, 7297969), (7, 3127701), (21, 1042567), (23, 951909), (69, 317303), (161, 135987), (483, 45329)]