21000700020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{350011667}}^1$

素因数の和:350011679

約数の個数: 24

約数和(自身を含む): 58801960224

約数和(自身を除く): 37801260204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 350011667, 700023334, 1050035001, 1400046668, 1750058335, 2100070002, 3500116670, 4200140004, 5250175005, 7000233340, 10500350010, 21000700020]

約数ペア:

[(1, 21000700020), (2, 10500350010), (3, 7000233340), (4, 5250175005), (5, 4200140004), (6, 3500116670), (10, 2100070002), (12, 1750058335), (15, 1400046668), (20, 1050035001), (30, 700023334), (60, 350011667)]