21081570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{30553}}^1$

素因数の和:30586

約数の個数: 32

約数和(自身を含む): 52797312

約数和(自身を除く): 31715742

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 30553, 61106, 91659, 152765, 183318, 305530, 458295, 702719, 916590, 1405438, 2108157, 3513595, 4216314, 7027190, 10540785, 21081570]

約数ペア:

[(1, 21081570), (2, 10540785), (3, 7027190), (5, 4216314), (6, 3513595), (10, 2108157), (15, 1405438), (23, 916590), (30, 702719), (46, 458295), (69, 305530), (115, 183318), (138, 152765), (230, 91659), (345, 61106), (690, 30553)]