21191910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22787}}^1$

素因数の和:22828

約数の個数: 32

約数和(自身を含む): 52503552

約数和(自身を除く): 31311642

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 22787, 45574, 68361, 113935, 136722, 227870, 341805, 683610, 706397, 1412794, 2119191, 3531985, 4238382, 7063970, 10595955, 21191910]

約数ペア:

[(1, 21191910), (2, 10595955), (3, 7063970), (5, 4238382), (6, 3531985), (10, 2119191), (15, 1412794), (30, 706397), (31, 683610), (62, 341805), (93, 227870), (155, 136722), (186, 113935), (310, 68361), (465, 45574), (930, 22787)]