21902463

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{9619}}^1$

素因数の和:9659

約数の個数: 24

約数和(自身を含む): 36017280

約数和(自身を除く): 14114817

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 207, 253, 759, 2277, 9619, 28857, 86571, 105809, 221237, 317427, 663711, 952281, 1991133, 2433607, 7300821, 21902463]

約数ペア:

[(1, 21902463), (3, 7300821), (9, 2433607), (11, 1991133), (23, 952281), (33, 663711), (69, 317427), (99, 221237), (207, 105809), (253, 86571), (759, 28857), (2277, 9619)]