21395160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{577}}^1$

素因数の和:697

約数の個数: 96

約数和(自身を含む): 70331040

約数和(自身を除く): 48935880

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, 577, 618, 824, 927, 1030, 1154, 1236, 1545, 1731, 1854, 2060, 2308, 2472, 2885, 3090, 3462, 3708, 4120, 4616, 4635, 5193, 5770, 6180, 6924, 7416, 8655, 9270, 10386, 11540, 12360, 13848, 17310, 18540, 20772, 23080, 25965, 34620, 37080, 41544, 51930, 59431, 69240, 103860, 118862, 178293, 207720, 237724, 297155, 356586, 475448, 534879, 594310, 713172, 891465, 1069758, 1188620, 1426344, 1782930, 2139516, 2377240, 2674395, 3565860, 4279032, 5348790, 7131720, 10697580, 21395160]

約数ペア:

[(1, 21395160), (2, 10697580), (3, 7131720), (4, 5348790), (5, 4279032), (6, 3565860), (8, 2674395), (9, 2377240), (10, 2139516), (12, 1782930), (15, 1426344), (18, 1188620), (20, 1069758), (24, 891465), (30, 713172), (36, 594310), (40, 534879), (45, 475448), (60, 356586), (72, 297155), (90, 237724), (103, 207720), (120, 178293), (180, 118862), (206, 103860), (309, 69240), (360, 59431), (412, 51930), (515, 41544), (577, 37080), (618, 34620), (824, 25965), (927, 23080), (1030, 20772), (1154, 18540), (1236, 17310), (1545, 13848), (1731, 12360), (1854, 11540), (2060, 10386), (2308, 9270), (2472, 8655), (2885, 7416), (3090, 6924), (3462, 6180), (3708, 5770), (4120, 5193), (4616, 4635)]