21482776

素因数分解:

$2^3\times 7^3\times {\mathrm{7829}}^1$

素因数の和:7856

約数の個数: 32

約数和(自身を含む): 46980000

約数和(自身を除く): 25497224

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 7829, 15658, 31316, 54803, 62632, 109606, 219212, 383621, 438424, 767242, 1534484, 2685347, 3068968, 5370694, 10741388, 21482776]

約数ペア:

[(1, 21482776), (2, 10741388), (4, 5370694), (7, 3068968), (8, 2685347), (14, 1534484), (28, 767242), (49, 438424), (56, 383621), (98, 219212), (196, 109606), (343, 62632), (392, 54803), (686, 31316), (1372, 15658), (2744, 7829)]