21729576

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1553}}^1$

素因数の和:1626

約数の個数: 64

約数和(自身を含む): 60419520

約数和(自身を除く): 38689944

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 53, 66, 88, 106, 132, 159, 212, 264, 318, 424, 583, 636, 1166, 1272, 1553, 1749, 2332, 3106, 3498, 4659, 4664, 6212, 6996, 9318, 12424, 13992, 17083, 18636, 34166, 37272, 51249, 68332, 82309, 102498, 136664, 164618, 204996, 246927, 329236, 409992, 493854, 658472, 905399, 987708, 1810798, 1975416, 2716197, 3621596, 5432394, 7243192, 10864788, 21729576]

約数ペア:

[(1, 21729576), (2, 10864788), (3, 7243192), (4, 5432394), (6, 3621596), (8, 2716197), (11, 1975416), (12, 1810798), (22, 987708), (24, 905399), (33, 658472), (44, 493854), (53, 409992), (66, 329236), (88, 246927), (106, 204996), (132, 164618), (159, 136664), (212, 102498), (264, 82309), (318, 68332), (424, 51249), (583, 37272), (636, 34166), (1166, 18636), (1272, 17083), (1553, 13992), (1749, 12424), (2332, 9318), (3106, 6996), (3498, 6212), (4659, 4664)]