21396774

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26813}}^1$

素因数の和:26844

約数の個数: 32

約数和(自身を含む): 51482880

約数和(自身を除く): 30086106

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 26813, 53626, 80439, 160878, 187691, 375382, 509447, 563073, 1018894, 1126146, 1528341, 3056682, 3566129, 7132258, 10698387, 21396774]

約数ペア:

[(1, 21396774), (2, 10698387), (3, 7132258), (6, 3566129), (7, 3056682), (14, 1528341), (19, 1126146), (21, 1018894), (38, 563073), (42, 509447), (57, 375382), (114, 187691), (133, 160878), (266, 80439), (399, 53626), (798, 26813)]