21136678

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{179}}^1$

素因数の和:372

約数の個数: 32

約数和(自身を含む): 35458560

約数和(自身を除く): 14321882

約数列:

[1, 2, 17, 23, 34, 46, 151, 179, 302, 358, 391, 782, 2567, 3043, 3473, 4117, 5134, 6086, 6946, 8234, 27029, 54058, 59041, 69989, 118082, 139978, 459493, 621667, 918986, 1243334, 10568339, 21136678]

約数ペア:

[(1, 21136678), (2, 10568339), (17, 1243334), (23, 918986), (34, 621667), (46, 459493), (151, 139978), (179, 118082), (302, 69989), (358, 59041), (391, 54058), (782, 27029), (2567, 8234), (3043, 6946), (3473, 6086), (4117, 5134)]