21017010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2441}}^1$

素因数の和:2499

約数の個数: 64

約数和(自身を含む): 59076864

約数和(自身を除く): 38059854

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 41, 42, 70, 82, 105, 123, 205, 210, 246, 287, 410, 574, 615, 861, 1230, 1435, 1722, 2441, 2870, 4305, 4882, 7323, 8610, 12205, 14646, 17087, 24410, 34174, 36615, 51261, 73230, 85435, 100081, 102522, 170870, 200162, 256305, 300243, 500405, 512610, 600486, 700567, 1000810, 1401134, 1501215, 2101701, 3002430, 3502835, 4203402, 7005670, 10508505, 21017010]

約数ペア:

[(1, 21017010), (2, 10508505), (3, 7005670), (5, 4203402), (6, 3502835), (7, 3002430), (10, 2101701), (14, 1501215), (15, 1401134), (21, 1000810), (30, 700567), (35, 600486), (41, 512610), (42, 500405), (70, 300243), (82, 256305), (105, 200162), (123, 170870), (205, 102522), (210, 100081), (246, 85435), (287, 73230), (410, 51261), (574, 36615), (615, 34174), (861, 24410), (1230, 17087), (1435, 14646), (1722, 12205), (2441, 8610), (2870, 7323), (4305, 4882)]