21660588

素因数分解:

$2^2\times 3^3\times {\mathrm{131}}^1\times {\mathrm{1531}}^1$

素因数の和:1675

約数の個数: 48

約数和(自身を含む): 56622720

約数和(自身を除く): 34962132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 131, 262, 393, 524, 786, 1179, 1531, 1572, 2358, 3062, 3537, 4593, 4716, 6124, 7074, 9186, 13779, 14148, 18372, 27558, 41337, 55116, 82674, 165348, 200561, 401122, 601683, 802244, 1203366, 1805049, 2406732, 3610098, 5415147, 7220196, 10830294, 21660588]

約数ペア:

[(1, 21660588), (2, 10830294), (3, 7220196), (4, 5415147), (6, 3610098), (9, 2406732), (12, 1805049), (18, 1203366), (27, 802244), (36, 601683), (54, 401122), (108, 200561), (131, 165348), (262, 82674), (393, 55116), (524, 41337), (786, 27558), (1179, 18372), (1531, 14148), (1572, 13779), (2358, 9186), (3062, 7074), (3537, 6124), (4593, 4716)]