21221130

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{727}}^1$

素因数の和:883

約数の個数: 64

約数和(自身を含む): 58705920

約数和(自身を除く): 37484790

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 139, 210, 278, 417, 695, 727, 834, 973, 1390, 1454, 1946, 2085, 2181, 2919, 3635, 4170, 4362, 4865, 5089, 5838, 7270, 9730, 10178, 10905, 14595, 15267, 21810, 25445, 29190, 30534, 50890, 76335, 101053, 152670, 202106, 303159, 505265, 606318, 707371, 1010530, 1414742, 1515795, 2122113, 3031590, 3536855, 4244226, 7073710, 10610565, 21221130]

約数ペア:

[(1, 21221130), (2, 10610565), (3, 7073710), (5, 4244226), (6, 3536855), (7, 3031590), (10, 2122113), (14, 1515795), (15, 1414742), (21, 1010530), (30, 707371), (35, 606318), (42, 505265), (70, 303159), (105, 202106), (139, 152670), (210, 101053), (278, 76335), (417, 50890), (695, 30534), (727, 29190), (834, 25445), (973, 21810), (1390, 15267), (1454, 14595), (1946, 10905), (2085, 10178), (2181, 9730), (2919, 7270), (3635, 5838), (4170, 5089), (4362, 4865)]