21291708

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{41263}}^1$

素因数の和:41313

約数の個数: 24

約数和(自身を含む): 50837248

約数和(自身を除く): 29545540

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 41263, 82526, 123789, 165052, 247578, 495156, 1774309, 3548618, 5322927, 7097236, 10645854, 21291708]

約数ペア:

[(1, 21291708), (2, 10645854), (3, 7097236), (4, 5322927), (6, 3548618), (12, 1774309), (43, 495156), (86, 247578), (129, 165052), (172, 123789), (258, 82526), (516, 41263)]