21303180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6229}}^1$

素因数の和:6263

約数の個数: 72

約数和(自身を含む): 68031600

約数和(自身を除く): 46728420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 6229, 12458, 18687, 24916, 31145, 37374, 56061, 62290, 74748, 93435, 112122, 118351, 124580, 186870, 224244, 236702, 280305, 355053, 373740, 473404, 560610, 591755, 710106, 1065159, 1121220, 1183510, 1420212, 1775265, 2130318, 2367020, 3550530, 4260636, 5325795, 7101060, 10651590, 21303180]

約数ペア:

[(1, 21303180), (2, 10651590), (3, 7101060), (4, 5325795), (5, 4260636), (6, 3550530), (9, 2367020), (10, 2130318), (12, 1775265), (15, 1420212), (18, 1183510), (19, 1121220), (20, 1065159), (30, 710106), (36, 591755), (38, 560610), (45, 473404), (57, 373740), (60, 355053), (76, 280305), (90, 236702), (95, 224244), (114, 186870), (171, 124580), (180, 118351), (190, 112122), (228, 93435), (285, 74748), (342, 62290), (380, 56061), (570, 37374), (684, 31145), (855, 24916), (1140, 18687), (1710, 12458), (3420, 6229)]