21910552020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17389327}}^1$

素因数の和:17389349

約数の個数: 72

約数和(自身を含む): 75956584704

約数和(自身を除く): 54046032684

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 17389327, 34778654, 52167981, 69557308, 86946635, 104335962, 121725289, 156503943, 173893270, 208671924, 243450578, 260839905, 313007886, 347786540, 365175867, 486901156, 521679810, 608626445, 626015772, 730351734, 782519715, 1043359620, 1095527601, 1217252890, 1460703468, 1565039430, 1825879335, 2191055202, 2434505780, 3130078860, 3651758670, 4382110404, 5477638005, 7303517340, 10955276010, 21910552020]

約数ペア:

[(1, 21910552020), (2, 10955276010), (3, 7303517340), (4, 5477638005), (5, 4382110404), (6, 3651758670), (7, 3130078860), (9, 2434505780), (10, 2191055202), (12, 1825879335), (14, 1565039430), (15, 1460703468), (18, 1217252890), (20, 1095527601), (21, 1043359620), (28, 782519715), (30, 730351734), (35, 626015772), (36, 608626445), (42, 521679810), (45, 486901156), (60, 365175867), (63, 347786540), (70, 313007886), (84, 260839905), (90, 243450578), (105, 208671924), (126, 173893270), (140, 156503943), (180, 121725289), (210, 104335962), (252, 86946635), (315, 69557308), (420, 52167981), (630, 34778654), (1260, 17389327)]