21054072

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67481}}^1$

素因数の和:67503

約数の個数: 32

約数和(自身を含む): 56684880

約数和(自身を除く): 35630808

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 67481, 134962, 202443, 269924, 404886, 539848, 809772, 877253, 1619544, 1754506, 2631759, 3509012, 5263518, 7018024, 10527036, 21054072]

約数ペア:

[(1, 21054072), (2, 10527036), (3, 7018024), (4, 5263518), (6, 3509012), (8, 2631759), (12, 1754506), (13, 1619544), (24, 877253), (26, 809772), (39, 539848), (52, 404886), (78, 269924), (104, 202443), (156, 134962), (312, 67481)]