21472530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{593}}^1$

素因数の和:691

約数の個数: 64

約数和(自身を含む): 55427328

約数和(自身を除く): 33954798

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 71, 85, 102, 142, 170, 213, 255, 355, 426, 510, 593, 710, 1065, 1186, 1207, 1779, 2130, 2414, 2965, 3558, 3621, 5930, 6035, 7242, 8895, 10081, 12070, 17790, 18105, 20162, 30243, 36210, 42103, 50405, 60486, 84206, 100810, 126309, 151215, 210515, 252618, 302430, 421030, 631545, 715751, 1263090, 1431502, 2147253, 3578755, 4294506, 7157510, 10736265, 21472530]

約数ペア:

[(1, 21472530), (2, 10736265), (3, 7157510), (5, 4294506), (6, 3578755), (10, 2147253), (15, 1431502), (17, 1263090), (30, 715751), (34, 631545), (51, 421030), (71, 302430), (85, 252618), (102, 210515), (142, 151215), (170, 126309), (213, 100810), (255, 84206), (355, 60486), (426, 50405), (510, 42103), (593, 36210), (710, 30243), (1065, 20162), (1186, 18105), (1207, 17790), (1779, 12070), (2130, 10081), (2414, 8895), (2965, 7242), (3558, 6035), (3621, 5930)]