21324807

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 37140480

約数和(自身を除く): 15815673

約数列:

[1, 3, 7, 9, 21, 31, 61, 63, 93, 179, 183, 217, 279, 427, 537, 549, 651, 1253, 1281, 1611, 1891, 1953, 3759, 3843, 5549, 5673, 10919, 11277, 13237, 16647, 17019, 32757, 38843, 39711, 49941, 76433, 98271, 116529, 119133, 229299, 338489, 349587, 687897, 1015467, 2369423, 3046401, 7108269, 21324807]

約数ペア:

[(1, 21324807), (3, 7108269), (7, 3046401), (9, 2369423), (21, 1015467), (31, 687897), (61, 349587), (63, 338489), (93, 229299), (179, 119133), (183, 116529), (217, 98271), (279, 76433), (427, 49941), (537, 39711), (549, 38843), (651, 32757), (1253, 17019), (1281, 16647), (1611, 13237), (1891, 11277), (1953, 10919), (3759, 5673), (3843, 5549)]