21430487590

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{343823}}^1$

素因数の和:344124

約数の個数: 32

約数和(自身を含む): 40400695296

約数和(自身を除く): 18970207706

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 271, 542, 1355, 2710, 6233, 12466, 31165, 62330, 343823, 687646, 1719115, 3438230, 7907929, 15815858, 39539645, 79079290, 93176033, 186352066, 465880165, 931760330, 2143048759, 4286097518, 10715243795, 21430487590]

約数ペア:

[(1, 21430487590), (2, 10715243795), (5, 4286097518), (10, 2143048759), (23, 931760330), (46, 465880165), (115, 186352066), (230, 93176033), (271, 79079290), (542, 39539645), (1355, 15815858), (2710, 7907929), (6233, 3438230), (12466, 1719115), (31165, 687646), (62330, 343823)]