21982440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4951}}^1$

素因数の和:5002

約数の個数: 64

約数和(自身を含む): 67743360

約数和(自身を除く): 45760920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 4951, 9902, 14853, 19804, 24755, 29706, 39608, 49510, 59412, 74265, 99020, 118824, 148530, 183187, 198040, 297060, 366374, 549561, 594120, 732748, 915935, 1099122, 1465496, 1831870, 2198244, 2747805, 3663740, 4396488, 5495610, 7327480, 10991220, 21982440]

約数ペア:

[(1, 21982440), (2, 10991220), (3, 7327480), (4, 5495610), (5, 4396488), (6, 3663740), (8, 2747805), (10, 2198244), (12, 1831870), (15, 1465496), (20, 1099122), (24, 915935), (30, 732748), (37, 594120), (40, 549561), (60, 366374), (74, 297060), (111, 198040), (120, 183187), (148, 148530), (185, 118824), (222, 99020), (296, 74265), (370, 59412), (444, 49510), (555, 39608), (740, 29706), (888, 24755), (1110, 19804), (1480, 14853), (2220, 9902), (4440, 4951)]