21041910

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{77933}}^1$

素因数の和:77949

約数の個数: 32

約数和(自身を含む): 56112480

約数和(自身を除く): 35070570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 77933, 155866, 233799, 389665, 467598, 701397, 779330, 1168995, 1402794, 2104191, 2337990, 3506985, 4208382, 7013970, 10520955, 21041910]

約数ペア:

[(1, 21041910), (2, 10520955), (3, 7013970), (5, 4208382), (6, 3506985), (9, 2337990), (10, 2104191), (15, 1402794), (18, 1168995), (27, 779330), (30, 701397), (45, 467598), (54, 389665), (90, 233799), (135, 155866), (270, 77933)]