21711330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{761}}^1$

素因数の和:1091

約数の個数: 48

約数和(自身を含む): 56701944

約数和(自身を除く): 34990614

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 317, 634, 761, 951, 1522, 1585, 1902, 2283, 2853, 3170, 3805, 4566, 4755, 5706, 6849, 7610, 9510, 11415, 13698, 14265, 22830, 28530, 34245, 68490, 241237, 482474, 723711, 1206185, 1447422, 2171133, 2412370, 3618555, 4342266, 7237110, 10855665, 21711330]

約数ペア:

[(1, 21711330), (2, 10855665), (3, 7237110), (5, 4342266), (6, 3618555), (9, 2412370), (10, 2171133), (15, 1447422), (18, 1206185), (30, 723711), (45, 482474), (90, 241237), (317, 68490), (634, 34245), (761, 28530), (951, 22830), (1522, 14265), (1585, 13698), (1902, 11415), (2283, 9510), (2853, 7610), (3170, 6849), (3805, 5706), (4566, 4755)]