21183442

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{821}}^1$

素因数の和:946

約数の個数: 32

約数和(自身を含む): 38666880

約数和(自身を除く): 17483438

約数列:

[1, 2, 7, 14, 19, 38, 97, 133, 194, 266, 679, 821, 1358, 1642, 1843, 3686, 5747, 11494, 12901, 15599, 25802, 31198, 79637, 109193, 159274, 218386, 557459, 1114918, 1513103, 3026206, 10591721, 21183442]

約数ペア:

[(1, 21183442), (2, 10591721), (7, 3026206), (14, 1513103), (19, 1114918), (38, 557459), (97, 218386), (133, 159274), (194, 109193), (266, 79637), (679, 31198), (821, 25802), (1358, 15599), (1642, 12901), (1843, 11494), (3686, 5747)]