21272235

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{34589}}^1$

素因数の和:34638

約数の個数: 16

約数和(自身を含む): 34866720

約数和(自身を除く): 13594485

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 34589, 103767, 172945, 518835, 1418149, 4254447, 7090745, 21272235]

約数ペア:

[(1, 21272235), (3, 7090745), (5, 4254447), (15, 1418149), (41, 518835), (123, 172945), (205, 103767), (615, 34589)]