21695718

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{1213}}^1$

素因数の和:1500

約数の個数: 32

約数和(自身を含む): 47549952

約数和(自身を除く): 25854234

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 271, 542, 813, 1213, 1626, 2426, 2981, 3639, 5962, 7278, 8943, 13343, 17886, 26686, 40029, 80058, 328723, 657446, 986169, 1972338, 3615953, 7231906, 10847859, 21695718]

約数ペア:

[(1, 21695718), (2, 10847859), (3, 7231906), (6, 3615953), (11, 1972338), (22, 986169), (33, 657446), (66, 328723), (271, 80058), (542, 40029), (813, 26686), (1213, 17886), (1626, 13343), (2426, 8943), (2981, 7278), (3639, 5962)]