21392580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32413}}^1$

素因数の和:32436

約数の個数: 48

約数和(自身を含む): 65346624

約数和(自身を除く): 43954044

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 32413, 64826, 97239, 129652, 162065, 194478, 324130, 356543, 388956, 486195, 648260, 713086, 972390, 1069629, 1426172, 1782715, 1944780, 2139258, 3565430, 4278516, 5348145, 7130860, 10696290, 21392580]

約数ペア:

[(1, 21392580), (2, 10696290), (3, 7130860), (4, 5348145), (5, 4278516), (6, 3565430), (10, 2139258), (11, 1944780), (12, 1782715), (15, 1426172), (20, 1069629), (22, 972390), (30, 713086), (33, 648260), (44, 486195), (55, 388956), (60, 356543), (66, 324130), (110, 194478), (132, 162065), (165, 129652), (220, 97239), (330, 64826), (660, 32413)]