21585396

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{8861}}^1$

素因数の和:8904

約数の個数: 48

約数和(自身を含む): 59552640

約数和(自身を除く): 37967244

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 84, 87, 116, 174, 203, 348, 406, 609, 812, 1218, 2436, 8861, 17722, 26583, 35444, 53166, 62027, 106332, 124054, 186081, 248108, 256969, 372162, 513938, 744324, 770907, 1027876, 1541814, 1798783, 3083628, 3597566, 5396349, 7195132, 10792698, 21585396]

約数ペア:

[(1, 21585396), (2, 10792698), (3, 7195132), (4, 5396349), (6, 3597566), (7, 3083628), (12, 1798783), (14, 1541814), (21, 1027876), (28, 770907), (29, 744324), (42, 513938), (58, 372162), (84, 256969), (87, 248108), (116, 186081), (174, 124054), (203, 106332), (348, 62027), (406, 53166), (609, 35444), (812, 26583), (1218, 17722), (2436, 8861)]