21570814385

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1\times {\mathrm{3469}}^1$

素因数の和:4025

約数の個数: 32

約数和(自身を含む): 27282528000

約数和(自身を除く): 5711713615

約数列:

[1, 5, 23, 115, 139, 389, 695, 1945, 3197, 3469, 8947, 15985, 17345, 44735, 54071, 79787, 270355, 398935, 482191, 1243633, 1349441, 2410955, 6218165, 6747205, 11090393, 31037143, 55451965, 155185715, 187572299, 937861495, 4314162877, 21570814385]

約数ペア:

[(1, 21570814385), (5, 4314162877), (23, 937861495), (115, 187572299), (139, 155185715), (389, 55451965), (695, 31037143), (1945, 11090393), (3197, 6747205), (3469, 6218165), (8947, 2410955), (15985, 1349441), (17345, 1243633), (44735, 482191), (54071, 398935), (79787, 270355)]