21240365216

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5577827}}^1$

素因数の和:5577861

約数の個数: 48

約数和(自身を含む): 50602055616

約数和(自身を除く): 29361690400

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 476, 544, 952, 1904, 3808, 5577827, 11155654, 22311308, 39044789, 44622616, 78089578, 89245232, 94823059, 156179156, 178490464, 189646118, 312358312, 379292236, 624716624, 663761413, 758584472, 1249433248, 1327522826, 1517168944, 2655045652, 3034337888, 5310091304, 10620182608, 21240365216]

約数ペア:

[(1, 21240365216), (2, 10620182608), (4, 5310091304), (7, 3034337888), (8, 2655045652), (14, 1517168944), (16, 1327522826), (17, 1249433248), (28, 758584472), (32, 663761413), (34, 624716624), (56, 379292236), (68, 312358312), (112, 189646118), (119, 178490464), (136, 156179156), (224, 94823059), (238, 89245232), (272, 78089578), (476, 44622616), (544, 39044789), (952, 22311308), (1904, 11155654), (3808, 5577827)]