21900844

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5881}}^1$

素因数の和:5918

約数の個数: 36

約数和(自身を含む): 46938360

約数和(自身を除く): 25037516

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 5881, 11762, 23524, 41167, 82334, 111739, 164668, 223478, 288169, 446956, 576338, 782173, 1152676, 1564346, 3128692, 5475211, 10950422, 21900844]

約数ペア:

[(1, 21900844), (2, 10950422), (4, 5475211), (7, 3128692), (14, 1564346), (19, 1152676), (28, 782173), (38, 576338), (49, 446956), (76, 288169), (98, 223478), (133, 164668), (196, 111739), (266, 82334), (532, 41167), (931, 23524), (1862, 11762), (3724, 5881)]