21000337414

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{474541}}^1$

素因数の和:474688

約数の個数: 32

約数和(自身を含む): 37583726400

約数和(自身を除く): 16583388986

約数列:

[1, 2, 7, 14, 29, 58, 109, 203, 218, 406, 763, 1526, 3161, 6322, 22127, 44254, 474541, 949082, 3321787, 6643574, 13761689, 27523378, 51724969, 96331823, 103449938, 192663646, 362074783, 724149566, 1500024101, 3000048202, 10500168707, 21000337414]

約数ペア:

[(1, 21000337414), (2, 10500168707), (7, 3000048202), (14, 1500024101), (29, 724149566), (58, 362074783), (109, 192663646), (203, 103449938), (218, 96331823), (406, 51724969), (763, 27523378), (1526, 13761689), (3161, 6643574), (6322, 3321787), (22127, 949082), (44254, 474541)]