21026654

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:329

約数の個数: 48

約数和(自身を含む): 38782800

約数和(自身を除く): 17756146

約数列:

[1, 2, 11, 17, 19, 22, 34, 38, 121, 187, 209, 242, 269, 323, 374, 418, 538, 646, 2057, 2299, 2959, 3553, 4114, 4573, 4598, 5111, 5918, 7106, 9146, 10222, 32549, 39083, 50303, 56221, 65098, 78166, 86887, 100606, 112442, 173774, 553333, 618431, 955757, 1106666, 1236862, 1911514, 10513327, 21026654]

約数ペア:

[(1, 21026654), (2, 10513327), (11, 1911514), (17, 1236862), (19, 1106666), (22, 955757), (34, 618431), (38, 553333), (121, 173774), (187, 112442), (209, 100606), (242, 86887), (269, 78166), (323, 65098), (374, 56221), (418, 50303), (538, 39083), (646, 32549), (2057, 10222), (2299, 9146), (2959, 7106), (3553, 5918), (4114, 5111), (4573, 4598)]