21009810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{30449}}^1$

素因数の和:30482

約数の個数: 32

約数和(自身を含む): 52617600

約数和(自身を除く): 31607790

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 30449, 60898, 91347, 152245, 182694, 304490, 456735, 700327, 913470, 1400654, 2100981, 3501635, 4201962, 7003270, 10504905, 21009810]

約数ペア:

[(1, 21009810), (2, 10504905), (3, 7003270), (5, 4201962), (6, 3501635), (10, 2100981), (15, 1400654), (23, 913470), (30, 700327), (46, 456735), (69, 304490), (115, 182694), (138, 152245), (230, 91347), (345, 60898), (690, 30449)]