21172842

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{863}}^1$

素因数の和:947

約数の個数: 48

約数和(自身を含む): 48522240

約数和(自身を除く): 27349398

約数列:

[1, 2, 3, 6, 9, 18, 29, 47, 58, 87, 94, 141, 174, 261, 282, 423, 522, 846, 863, 1363, 1726, 2589, 2726, 4089, 5178, 7767, 8178, 12267, 15534, 24534, 25027, 40561, 50054, 75081, 81122, 121683, 150162, 225243, 243366, 365049, 450486, 730098, 1176269, 2352538, 3528807, 7057614, 10586421, 21172842]

約数ペア:

[(1, 21172842), (2, 10586421), (3, 7057614), (6, 3528807), (9, 2352538), (18, 1176269), (29, 730098), (47, 450486), (58, 365049), (87, 243366), (94, 225243), (141, 150162), (174, 121683), (261, 81122), (282, 75081), (423, 50054), (522, 40561), (846, 25027), (863, 24534), (1363, 15534), (1726, 12267), (2589, 8178), (2726, 7767), (4089, 5178)]