21000983970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{700032799}}^1$

素因数の和:700032809

約数の個数: 16

約数和(自身を含む): 50402361600

約数和(自身を除く): 29401377630

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 700032799, 1400065598, 2100098397, 3500163995, 4200196794, 7000327990, 10500491985, 21000983970]

約数ペア:

[(1, 21000983970), (2, 10500491985), (3, 7000327990), (5, 4200196794), (6, 3500163995), (10, 2100098397), (15, 1400065598), (30, 700032799)]