21314576

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{337}}^1$

素因数の和:471

約数の個数: 40

約数和(自身を含む): 42750240

約数和(自身を除く): 21435664

約数列:

[1, 2, 4, 8, 16, 59, 67, 118, 134, 236, 268, 337, 472, 536, 674, 944, 1072, 1348, 2696, 3953, 5392, 7906, 15812, 19883, 22579, 31624, 39766, 45158, 63248, 79532, 90316, 159064, 180632, 318128, 361264, 1332161, 2664322, 5328644, 10657288, 21314576]

約数ペア:

[(1, 21314576), (2, 10657288), (4, 5328644), (8, 2664322), (16, 1332161), (59, 361264), (67, 318128), (118, 180632), (134, 159064), (236, 90316), (268, 79532), (337, 63248), (472, 45158), (536, 39766), (674, 31624), (944, 22579), (1072, 19883), (1348, 15812), (2696, 7906), (3953, 5392)]