21979968185

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{6047}}^1$

素因数の和:6266

約数の個数: 64

約数和(自身を含む): 32920473600

約数和(自身を除く): 10940505415

約数列:

[1, 5, 7, 17, 35, 41, 85, 119, 149, 205, 287, 595, 697, 745, 1043, 1435, 2533, 3485, 4879, 5215, 6047, 6109, 12665, 17731, 24395, 30235, 30545, 42329, 42763, 88655, 102799, 103853, 211645, 213815, 247927, 513995, 519265, 719593, 726971, 901003, 1239635, 1735489, 3597965, 3634855, 4214759, 4505015, 6307021, 8677445, 15317051, 21073795, 29503313, 31535105, 36941123, 76585255, 107219357, 147516565, 184705615, 258587861, 536096785, 627999091, 1292939305, 3139995455, 4395993637, 21979968185]

約数ペア:

[(1, 21979968185), (5, 4395993637), (7, 3139995455), (17, 1292939305), (35, 627999091), (41, 536096785), (85, 258587861), (119, 184705615), (149, 147516565), (205, 107219357), (287, 76585255), (595, 36941123), (697, 31535105), (745, 29503313), (1043, 21073795), (1435, 15317051), (2533, 8677445), (3485, 6307021), (4879, 4505015), (5215, 4214759), (6047, 3634855), (6109, 3597965), (12665, 1735489), (17731, 1239635), (24395, 901003), (30235, 726971), (30545, 719593), (42329, 519265), (42763, 513995), (88655, 247927), (102799, 213815), (103853, 211645)]