21868530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4643}}^1$

素因数の和:4810

約数の個数: 32

約数和(自身を含む): 52830144

約数和(自身を除く): 30961614

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 157, 314, 471, 785, 942, 1570, 2355, 4643, 4710, 9286, 13929, 23215, 27858, 46430, 69645, 139290, 728951, 1457902, 2186853, 3644755, 4373706, 7289510, 10934265, 21868530]

約数ペア:

[(1, 21868530), (2, 10934265), (3, 7289510), (5, 4373706), (6, 3644755), (10, 2186853), (15, 1457902), (30, 728951), (157, 139290), (314, 69645), (471, 46430), (785, 27858), (942, 23215), (1570, 13929), (2355, 9286), (4643, 4710)]