21988440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{593}}^1$

素因数の和:713

約数の個数: 96

約数和(自身を含む): 72277920

約数和(自身を除く): 50289480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 103, 120, 180, 206, 309, 360, 412, 515, 593, 618, 824, 927, 1030, 1186, 1236, 1545, 1779, 1854, 2060, 2372, 2472, 2965, 3090, 3558, 3708, 4120, 4635, 4744, 5337, 5930, 6180, 7116, 7416, 8895, 9270, 10674, 11860, 12360, 14232, 17790, 18540, 21348, 23720, 26685, 35580, 37080, 42696, 53370, 61079, 71160, 106740, 122158, 183237, 213480, 244316, 305395, 366474, 488632, 549711, 610790, 732948, 916185, 1099422, 1221580, 1465896, 1832370, 2198844, 2443160, 2748555, 3664740, 4397688, 5497110, 7329480, 10994220, 21988440]

約数ペア:

[(1, 21988440), (2, 10994220), (3, 7329480), (4, 5497110), (5, 4397688), (6, 3664740), (8, 2748555), (9, 2443160), (10, 2198844), (12, 1832370), (15, 1465896), (18, 1221580), (20, 1099422), (24, 916185), (30, 732948), (36, 610790), (40, 549711), (45, 488632), (60, 366474), (72, 305395), (90, 244316), (103, 213480), (120, 183237), (180, 122158), (206, 106740), (309, 71160), (360, 61079), (412, 53370), (515, 42696), (593, 37080), (618, 35580), (824, 26685), (927, 23720), (1030, 21348), (1186, 18540), (1236, 17790), (1545, 14232), (1779, 12360), (1854, 11860), (2060, 10674), (2372, 9270), (2472, 8895), (2965, 7416), (3090, 7116), (3558, 6180), (3708, 5930), (4120, 5337), (4635, 4744)]