21166292

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{839}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 45722880

約数和(自身を除く): 24556588

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 53, 68, 106, 119, 212, 238, 371, 476, 742, 839, 901, 1484, 1678, 1802, 3356, 3604, 5873, 6307, 11746, 12614, 14263, 23492, 25228, 28526, 44467, 57052, 88934, 99841, 177868, 199682, 311269, 399364, 622538, 755939, 1245076, 1511878, 3023756, 5291573, 10583146, 21166292]

約数ペア:

[(1, 21166292), (2, 10583146), (4, 5291573), (7, 3023756), (14, 1511878), (17, 1245076), (28, 755939), (34, 622538), (53, 399364), (68, 311269), (106, 199682), (119, 177868), (212, 99841), (238, 88934), (371, 57052), (476, 44467), (742, 28526), (839, 25228), (901, 23492), (1484, 14263), (1678, 12614), (1802, 11746), (3356, 6307), (3604, 5873)]