21040404

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3253}}^1$

素因数の和:3285

約数の個数: 72

約数和(自身を含む): 62320608

約数和(自身を除く): 41280204

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 49, 66, 77, 84, 98, 132, 147, 154, 196, 231, 294, 308, 462, 539, 588, 924, 1078, 1617, 2156, 3234, 3253, 6468, 6506, 9759, 13012, 19518, 22771, 35783, 39036, 45542, 68313, 71566, 91084, 107349, 136626, 143132, 159397, 214698, 250481, 273252, 318794, 429396, 478191, 500962, 637588, 751443, 956382, 1001924, 1502886, 1753367, 1912764, 3005772, 3506734, 5260101, 7013468, 10520202, 21040404]

約数ペア:

[(1, 21040404), (2, 10520202), (3, 7013468), (4, 5260101), (6, 3506734), (7, 3005772), (11, 1912764), (12, 1753367), (14, 1502886), (21, 1001924), (22, 956382), (28, 751443), (33, 637588), (42, 500962), (44, 478191), (49, 429396), (66, 318794), (77, 273252), (84, 250481), (98, 214698), (132, 159397), (147, 143132), (154, 136626), (196, 107349), (231, 91084), (294, 71566), (308, 68313), (462, 45542), (539, 39036), (588, 35783), (924, 22771), (1078, 19518), (1617, 13012), (2156, 9759), (3234, 6506), (3253, 6468)]