21148290

素因数分解:

$2^1\times 3^7\times 5^1\times {\mathrm{967}}^1$

素因数の和:995

約数の個数: 64

約数和(自身を含む): 57150720

約数和(自身を除く): 36002430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 729, 810, 967, 1215, 1458, 1934, 2187, 2430, 2901, 3645, 4374, 4835, 5802, 7290, 8703, 9670, 10935, 14505, 17406, 21870, 26109, 29010, 43515, 52218, 78327, 87030, 130545, 156654, 234981, 261090, 391635, 469962, 704943, 783270, 1174905, 1409886, 2114829, 2349810, 3524715, 4229658, 7049430, 10574145, 21148290]

約数ペア:

[(1, 21148290), (2, 10574145), (3, 7049430), (5, 4229658), (6, 3524715), (9, 2349810), (10, 2114829), (15, 1409886), (18, 1174905), (27, 783270), (30, 704943), (45, 469962), (54, 391635), (81, 261090), (90, 234981), (135, 156654), (162, 130545), (243, 87030), (270, 78327), (405, 52218), (486, 43515), (729, 29010), (810, 26109), (967, 21870), (1215, 17406), (1458, 14505), (1934, 10935), (2187, 9670), (2430, 8703), (2901, 7290), (3645, 5802), (4374, 4835)]