21290502

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{154279}}^1$

素因数の和:154307

約数の個数: 16

約数和(自身を含む): 44432640

約数和(自身を除く): 23142138

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 154279, 308558, 462837, 925674, 3548417, 7096834, 10645251, 21290502]

約数ペア:

[(1, 21290502), (2, 10645251), (3, 7096834), (6, 3548417), (23, 925674), (46, 462837), (69, 308558), (138, 154279)]