21859390

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{6373}}^1$

素因数の和:6401

約数の個数: 32

約数和(自身を含む): 45892800

約数和(自身を除く): 24033410

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 6373, 12746, 31865, 44611, 63730, 89222, 223055, 312277, 446110, 624554, 1561385, 2185939, 3122770, 4371878, 10929695, 21859390]

約数ペア:

[(1, 21859390), (2, 10929695), (5, 4371878), (7, 3122770), (10, 2185939), (14, 1561385), (35, 624554), (49, 446110), (70, 312277), (98, 223055), (245, 89222), (343, 63730), (490, 44611), (686, 31865), (1715, 12746), (3430, 6373)]