21570990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1741}}^1$

素因数の和:1817

約数の個数: 64

約数和(自身を含む): 60203520

約数和(自身を除く): 38632530

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 59, 70, 105, 118, 177, 210, 295, 354, 413, 590, 826, 885, 1239, 1741, 1770, 2065, 2478, 3482, 4130, 5223, 6195, 8705, 10446, 12187, 12390, 17410, 24374, 26115, 36561, 52230, 60935, 73122, 102719, 121870, 182805, 205438, 308157, 365610, 513595, 616314, 719033, 1027190, 1438066, 1540785, 2157099, 3081570, 3595165, 4314198, 7190330, 10785495, 21570990]

約数ペア:

[(1, 21570990), (2, 10785495), (3, 7190330), (5, 4314198), (6, 3595165), (7, 3081570), (10, 2157099), (14, 1540785), (15, 1438066), (21, 1027190), (30, 719033), (35, 616314), (42, 513595), (59, 365610), (70, 308157), (105, 205438), (118, 182805), (177, 121870), (210, 102719), (295, 73122), (354, 60935), (413, 52230), (590, 36561), (826, 26115), (885, 24374), (1239, 17410), (1741, 12390), (1770, 12187), (2065, 10446), (2478, 8705), (3482, 6195), (4130, 5223)]