21925652

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 45722880

約数和(自身を除く): 23797228

約数列:

[1, 2, 4, 7, 14, 28, 41, 71, 82, 142, 164, 269, 284, 287, 497, 538, 574, 994, 1076, 1148, 1883, 1988, 2911, 3766, 5822, 7532, 11029, 11644, 19099, 20377, 22058, 38198, 40754, 44116, 76396, 77203, 81508, 133693, 154406, 267386, 308812, 534772, 783059, 1566118, 3132236, 5481413, 10962826, 21925652]

約数ペア:

[(1, 21925652), (2, 10962826), (4, 5481413), (7, 3132236), (14, 1566118), (28, 783059), (41, 534772), (71, 308812), (82, 267386), (142, 154406), (164, 133693), (269, 81508), (284, 77203), (287, 76396), (497, 44116), (538, 40754), (574, 38198), (994, 22058), (1076, 20377), (1148, 19099), (1883, 11644), (1988, 11029), (2911, 7532), (3766, 5822)]