21173562

素因数分解:

$2^1\times 3^5\times {\mathrm{19}}^1\times {\mathrm{2293}}^1$

素因数の和:2329

約数の個数: 48

約数和(自身を含む): 50100960

約数和(自身を除く): 28927398

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 243, 342, 486, 513, 1026, 1539, 2293, 3078, 4586, 4617, 6879, 9234, 13758, 20637, 41274, 43567, 61911, 87134, 123822, 130701, 185733, 261402, 371466, 392103, 557199, 784206, 1114398, 1176309, 2352618, 3528927, 7057854, 10586781, 21173562]

約数ペア:

[(1, 21173562), (2, 10586781), (3, 7057854), (6, 3528927), (9, 2352618), (18, 1176309), (19, 1114398), (27, 784206), (38, 557199), (54, 392103), (57, 371466), (81, 261402), (114, 185733), (162, 130701), (171, 123822), (243, 87134), (342, 61911), (486, 43567), (513, 41274), (1026, 20637), (1539, 13758), (2293, 9234), (3078, 6879), (4586, 4617)]