21992614

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2851}}^1$

素因数の和:2908

約数の個数: 32

約数和(自身を含む): 41068800

約数和(自身を除く): 19076186

約数列:

[1, 2, 7, 14, 19, 29, 38, 58, 133, 203, 266, 406, 551, 1102, 2851, 3857, 5702, 7714, 19957, 39914, 54169, 82679, 108338, 165358, 379183, 578753, 758366, 1157506, 1570901, 3141802, 10996307, 21992614]

約数ペア:

[(1, 21992614), (2, 10996307), (7, 3141802), (14, 1570901), (19, 1157506), (29, 758366), (38, 578753), (58, 379183), (133, 165358), (203, 108338), (266, 82679), (406, 54169), (551, 39914), (1102, 19957), (2851, 7714), (3857, 5702)]