21000906390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{700030213}}^1$

素因数の和:700030223

約数の個数: 16

約数和(自身を含む): 50402175408

約数和(自身を除く): 29401269018

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 700030213, 1400060426, 2100090639, 3500151065, 4200181278, 7000302130, 10500453195, 21000906390]

約数ペア:

[(1, 21000906390), (2, 10500453195), (3, 7000302130), (5, 4200181278), (6, 3500151065), (10, 2100090639), (15, 1400060426), (30, 700030213)]