21606585

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1439}}^1$

素因数の和:1478

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 24842055

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 33, 35, 39, 55, 65, 77, 91, 105, 143, 165, 195, 231, 273, 385, 429, 455, 715, 1001, 1155, 1365, 1439, 2145, 3003, 4317, 5005, 7195, 10073, 15015, 15829, 18707, 21585, 30219, 47487, 50365, 56121, 79145, 93535, 110803, 130949, 151095, 205777, 237435, 280605, 332409, 392847, 554015, 617331, 654745, 1028885, 1440439, 1662045, 1964235, 3086655, 4321317, 7202195, 21606585]

約数ペア:

[(1, 21606585), (3, 7202195), (5, 4321317), (7, 3086655), (11, 1964235), (13, 1662045), (15, 1440439), (21, 1028885), (33, 654745), (35, 617331), (39, 554015), (55, 392847), (65, 332409), (77, 280605), (91, 237435), (105, 205777), (143, 151095), (165, 130949), (195, 110803), (231, 93535), (273, 79145), (385, 56121), (429, 50365), (455, 47487), (715, 30219), (1001, 21585), (1155, 18707), (1365, 15829), (1439, 15015), (2145, 10073), (3003, 7195), (4317, 5005)]