21601620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{367}}^1$

素因数の和:494

約数の個数: 96

約数和(自身を含む): 68006400

約数和(自身を除く): 46404780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 109, 135, 180, 218, 270, 327, 367, 436, 540, 545, 654, 734, 981, 1090, 1101, 1308, 1468, 1635, 1835, 1962, 2180, 2202, 2943, 3270, 3303, 3670, 3924, 4404, 4905, 5505, 5886, 6540, 6606, 7340, 9810, 9909, 11010, 11772, 13212, 14715, 16515, 19620, 19818, 22020, 29430, 33030, 39636, 40003, 49545, 58860, 66060, 80006, 99090, 120009, 160012, 198180, 200015, 240018, 360027, 400030, 480036, 600045, 720054, 800060, 1080081, 1200090, 1440108, 1800135, 2160162, 2400180, 3600270, 4320324, 5400405, 7200540, 10800810, 21601620]

約数ペア:

[(1, 21601620), (2, 10800810), (3, 7200540), (4, 5400405), (5, 4320324), (6, 3600270), (9, 2400180), (10, 2160162), (12, 1800135), (15, 1440108), (18, 1200090), (20, 1080081), (27, 800060), (30, 720054), (36, 600045), (45, 480036), (54, 400030), (60, 360027), (90, 240018), (108, 200015), (109, 198180), (135, 160012), (180, 120009), (218, 99090), (270, 80006), (327, 66060), (367, 58860), (436, 49545), (540, 40003), (545, 39636), (654, 33030), (734, 29430), (981, 22020), (1090, 19818), (1101, 19620), (1308, 16515), (1468, 14715), (1635, 13212), (1835, 11772), (1962, 11010), (2180, 9909), (2202, 9810), (2943, 7340), (3270, 6606), (3303, 6540), (3670, 5886), (3924, 5505), (4404, 4905)]