21396046

素因数分解:

$2^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{2003}}^1$

素因数の和:2128

約数の個数: 24

約数和(自身を含む): 37695240

約数和(自身を除く): 16299194

約数列:

[1, 2, 7, 14, 49, 98, 109, 218, 763, 1526, 2003, 4006, 5341, 10682, 14021, 28042, 98147, 196294, 218327, 436654, 1528289, 3056578, 10698023, 21396046]

約数ペア:

[(1, 21396046), (2, 10698023), (7, 3056578), (14, 1528289), (49, 436654), (98, 218327), (109, 196294), (218, 98147), (763, 28042), (1526, 14021), (2003, 10682), (4006, 5341)]