21803432

素因数分解:

$2^3\times 7^2\times {\mathrm{55621}}^1$

素因数の和:55641

約数の個数: 24

約数和(自身を含む): 47556810

約数和(自身を除く): 25753378

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 55621, 111242, 222484, 389347, 444968, 778694, 1557388, 2725429, 3114776, 5450858, 10901716, 21803432]

約数ペア:

[(1, 21803432), (2, 10901716), (4, 5450858), (7, 3114776), (8, 2725429), (14, 1557388), (28, 778694), (49, 444968), (56, 389347), (98, 222484), (196, 111242), (392, 55621)]