21804244

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{70793}}^1$

素因数の和:70815

約数の個数: 24

約数和(自身を含む): 47573568

約数和(自身を除く): 25769324

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 70793, 141586, 283172, 495551, 778723, 991102, 1557446, 1982204, 3114892, 5451061, 10902122, 21804244]

約数ペア:

[(1, 21804244), (2, 10902122), (4, 5451061), (7, 3114892), (11, 1982204), (14, 1557446), (22, 991102), (28, 778723), (44, 495551), (77, 283172), (154, 141586), (308, 70793)]