21666210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23297}}^1$

素因数の和:23338

約数の個数: 32

約数和(自身を含む): 53678592

約数和(自身を除く): 32012382

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 23297, 46594, 69891, 116485, 139782, 232970, 349455, 698910, 722207, 1444414, 2166621, 3611035, 4333242, 7222070, 10833105, 21666210]

約数ペア:

[(1, 21666210), (2, 10833105), (3, 7222070), (5, 4333242), (6, 3611035), (10, 2166621), (15, 1444414), (30, 722207), (31, 698910), (62, 349455), (93, 232970), (155, 139782), (186, 116485), (310, 69891), (465, 46594), (930, 23297)]