21011790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{700393}}^1$

素因数の和:700403

約数の個数: 16

約数和(自身を含む): 50428368

約数和(自身を除く): 29416578

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 700393, 1400786, 2101179, 3501965, 4202358, 7003930, 10505895, 21011790]

約数ペア:

[(1, 21011790), (2, 10505895), (3, 7003930), (5, 4202358), (6, 3501965), (10, 2101179), (15, 1400786), (30, 700393)]