21178150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{60509}}^1$

素因数の和:60528

約数の個数: 24

約数和(自身を含む): 45019440

約数和(自身を除く): 23841290

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 60509, 121018, 302545, 423563, 605090, 847126, 1512725, 2117815, 3025450, 4235630, 10589075, 21178150]

約数ペア:

[(1, 21178150), (2, 10589075), (5, 4235630), (7, 3025450), (10, 2117815), (14, 1512725), (25, 847126), (35, 605090), (50, 423563), (70, 302545), (175, 121018), (350, 60509)]