21285210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{709507}}^1$

素因数の和:709517

約数の個数: 16

約数和(自身を含む): 51084576

約数和(自身を除く): 29799366

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 709507, 1419014, 2128521, 3547535, 4257042, 7095070, 10642605, 21285210]

約数ペア:

[(1, 21285210), (2, 10642605), (3, 7095070), (5, 4257042), (6, 3547535), (10, 2128521), (15, 1419014), (30, 709507)]