21579306

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2531}}^1$

素因数の和:2579

約数の個数: 48

約数和(自身を含む): 51956640

約数和(自身を除く): 30377334

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 49, 58, 87, 98, 147, 174, 203, 294, 406, 609, 1218, 1421, 2531, 2842, 4263, 5062, 7593, 8526, 15186, 17717, 35434, 53151, 73399, 106302, 124019, 146798, 220197, 248038, 372057, 440394, 513793, 744114, 1027586, 1541379, 3082758, 3596551, 7193102, 10789653, 21579306]

約数ペア:

[(1, 21579306), (2, 10789653), (3, 7193102), (6, 3596551), (7, 3082758), (14, 1541379), (21, 1027586), (29, 744114), (42, 513793), (49, 440394), (58, 372057), (87, 248038), (98, 220197), (147, 146798), (174, 124019), (203, 106302), (294, 73399), (406, 53151), (609, 35434), (1218, 17717), (1421, 15186), (2531, 8526), (2842, 7593), (4263, 5062)]