21000918090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{700030603}}^1$

素因数の和:700030613

約数の個数: 16

約数和(自身を含む): 50402203488

約数和(自身を除く): 29401285398

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 700030603, 1400061206, 2100091809, 3500153015, 4200183618, 7000306030, 10500459045, 21000918090]

約数ペア:

[(1, 21000918090), (2, 10500459045), (3, 7000306030), (5, 4200183618), (6, 3500153015), (10, 2100091809), (15, 1400061206), (30, 700030603)]