21458028

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{313}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 52224480

約数和(自身を除く): 30766452

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 174, 197, 313, 348, 394, 591, 626, 788, 939, 1182, 1252, 1878, 2364, 3756, 5713, 9077, 11426, 17139, 18154, 22852, 27231, 34278, 36308, 54462, 61661, 68556, 108924, 123322, 184983, 246644, 369966, 739932, 1788169, 3576338, 5364507, 7152676, 10729014, 21458028]

約数ペア:

[(1, 21458028), (2, 10729014), (3, 7152676), (4, 5364507), (6, 3576338), (12, 1788169), (29, 739932), (58, 369966), (87, 246644), (116, 184983), (174, 123322), (197, 108924), (313, 68556), (348, 61661), (394, 54462), (591, 36308), (626, 34278), (788, 27231), (939, 22852), (1182, 18154), (1252, 17139), (1878, 11426), (2364, 9077), (3756, 5713)]