21188552

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:147

約数の個数: 96

約数和(自身を含む): 51710400

約数和(自身を除く): 30521848

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 53, 56, 59, 77, 88, 106, 118, 121, 154, 212, 236, 242, 308, 371, 413, 424, 472, 484, 583, 616, 649, 742, 826, 847, 968, 1166, 1298, 1484, 1652, 1694, 2332, 2596, 2968, 3127, 3304, 3388, 4081, 4543, 4664, 5192, 6254, 6413, 6776, 7139, 8162, 9086, 12508, 12826, 14278, 16324, 18172, 21889, 25016, 25652, 28556, 32648, 34397, 36344, 43778, 44891, 49973, 51304, 57112, 68794, 87556, 89782, 99946, 137588, 175112, 179564, 199892, 240779, 275176, 359128, 378367, 399784, 481558, 756734, 963116, 1513468, 1926232, 2648569, 3026936, 5297138, 10594276, 21188552]

約数ペア:

[(1, 21188552), (2, 10594276), (4, 5297138), (7, 3026936), (8, 2648569), (11, 1926232), (14, 1513468), (22, 963116), (28, 756734), (44, 481558), (53, 399784), (56, 378367), (59, 359128), (77, 275176), (88, 240779), (106, 199892), (118, 179564), (121, 175112), (154, 137588), (212, 99946), (236, 89782), (242, 87556), (308, 68794), (371, 57112), (413, 51304), (424, 49973), (472, 44891), (484, 43778), (583, 36344), (616, 34397), (649, 32648), (742, 28556), (826, 25652), (847, 25016), (968, 21889), (1166, 18172), (1298, 16324), (1484, 14278), (1652, 12826), (1694, 12508), (2332, 9086), (2596, 8162), (2968, 7139), (3127, 6776), (3304, 6413), (3388, 6254), (4081, 5192), (4543, 4664)]