21501676

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{14489}}^1$

素因数の和:14553

約数の個数: 24

約数和(自身を含む): 43817760

約数和(自身を除く): 22316084

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 14489, 28978, 57956, 101423, 202846, 405692, 767917, 1535834, 3071668, 5375419, 10750838, 21501676]

約数ペア:

[(1, 21501676), (2, 10750838), (4, 5375419), (7, 3071668), (14, 1535834), (28, 767917), (53, 405692), (106, 202846), (212, 101423), (371, 57956), (742, 28978), (1484, 14489)]