21202650

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:205

約数の個数: 144

約数和(自身を含む): 66852864

約数和(自身を除く): 45650214

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 53, 63, 70, 75, 90, 105, 106, 126, 127, 150, 159, 175, 210, 225, 254, 265, 315, 318, 350, 371, 381, 450, 477, 525, 530, 630, 635, 742, 762, 795, 889, 954, 1050, 1113, 1143, 1270, 1325, 1575, 1590, 1778, 1855, 1905, 2226, 2286, 2385, 2650, 2667, 3150, 3175, 3339, 3710, 3810, 3975, 4445, 4770, 5334, 5565, 5715, 6350, 6678, 6731, 7950, 8001, 8890, 9275, 9525, 11130, 11430, 11925, 13335, 13462, 16002, 16695, 18550, 19050, 20193, 22225, 23850, 26670, 27825, 28575, 33390, 33655, 40005, 40386, 44450, 47117, 55650, 57150, 60579, 66675, 67310, 80010, 83475, 94234, 100965, 121158, 133350, 141351, 166950, 168275, 200025, 201930, 235585, 282702, 302895, 336550, 400050, 424053, 471170, 504825, 605790, 706755, 848106, 1009650, 1177925, 1413510, 1514475, 2120265, 2355850, 3028950, 3533775, 4240530, 7067550, 10601325, 21202650]

約数ペア:

[(1, 21202650), (2, 10601325), (3, 7067550), (5, 4240530), (6, 3533775), (7, 3028950), (9, 2355850), (10, 2120265), (14, 1514475), (15, 1413510), (18, 1177925), (21, 1009650), (25, 848106), (30, 706755), (35, 605790), (42, 504825), (45, 471170), (50, 424053), (53, 400050), (63, 336550), (70, 302895), (75, 282702), (90, 235585), (105, 201930), (106, 200025), (126, 168275), (127, 166950), (150, 141351), (159, 133350), (175, 121158), (210, 100965), (225, 94234), (254, 83475), (265, 80010), (315, 67310), (318, 66675), (350, 60579), (371, 57150), (381, 55650), (450, 47117), (477, 44450), (525, 40386), (530, 40005), (630, 33655), (635, 33390), (742, 28575), (762, 27825), (795, 26670), (889, 23850), (954, 22225), (1050, 20193), (1113, 19050), (1143, 18550), (1270, 16695), (1325, 16002), (1575, 13462), (1590, 13335), (1778, 11925), (1855, 11430), (1905, 11130), (2226, 9525), (2286, 9275), (2385, 8890), (2650, 8001), (2667, 7950), (3150, 6731), (3175, 6678), (3339, 6350), (3710, 5715), (3810, 5565), (3975, 5334), (4445, 4770)]