21072282

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2683}}^1$

素因数の和:2723

約数の個数: 64

約数和(自身を含む): 55655424

約数和(自身を除く): 34583142

約数列:

[1, 2, 3, 6, 7, 11, 14, 17, 21, 22, 33, 34, 42, 51, 66, 77, 102, 119, 154, 187, 231, 238, 357, 374, 462, 561, 714, 1122, 1309, 2618, 2683, 3927, 5366, 7854, 8049, 16098, 18781, 29513, 37562, 45611, 56343, 59026, 88539, 91222, 112686, 136833, 177078, 206591, 273666, 319277, 413182, 501721, 619773, 638554, 957831, 1003442, 1239546, 1505163, 1915662, 3010326, 3512047, 7024094, 10536141, 21072282]

約数ペア:

[(1, 21072282), (2, 10536141), (3, 7024094), (6, 3512047), (7, 3010326), (11, 1915662), (14, 1505163), (17, 1239546), (21, 1003442), (22, 957831), (33, 638554), (34, 619773), (42, 501721), (51, 413182), (66, 319277), (77, 273666), (102, 206591), (119, 177078), (154, 136833), (187, 112686), (231, 91222), (238, 88539), (357, 59026), (374, 56343), (462, 45611), (561, 37562), (714, 29513), (1122, 18781), (1309, 16098), (2618, 8049), (2683, 7854), (3927, 5366)]