21083090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{863}}^1$

素因数の和:1226

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 22462510

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 349, 698, 863, 1726, 1745, 2443, 3490, 4315, 4886, 6041, 8630, 12082, 12215, 24430, 30205, 60410, 301187, 602374, 1505935, 2108309, 3011870, 4216618, 10541545, 21083090]

約数ペア:

[(1, 21083090), (2, 10541545), (5, 4216618), (7, 3011870), (10, 2108309), (14, 1505935), (35, 602374), (70, 301187), (349, 60410), (698, 30205), (863, 24430), (1726, 12215), (1745, 12082), (2443, 8630), (3490, 6041), (4315, 4886)]