21468076

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^2\times {\mathrm{379}}^1$

素因数の和:431

約数の個数: 54

約数和(自身を含む): 46547340

約数和(自身を除く): 25079264

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 238, 289, 379, 476, 578, 758, 833, 1156, 1516, 1666, 2023, 2653, 3332, 4046, 5306, 6443, 8092, 10612, 12886, 14161, 18571, 25772, 28322, 37142, 45101, 56644, 74284, 90202, 109531, 180404, 219062, 315707, 438124, 631414, 766717, 1262828, 1533434, 3066868, 5367019, 10734038, 21468076]

約数ペア:

[(1, 21468076), (2, 10734038), (4, 5367019), (7, 3066868), (14, 1533434), (17, 1262828), (28, 766717), (34, 631414), (49, 438124), (68, 315707), (98, 219062), (119, 180404), (196, 109531), (238, 90202), (289, 74284), (379, 56644), (476, 45101), (578, 37142), (758, 28322), (833, 25772), (1156, 18571), (1516, 14161), (1666, 12886), (2023, 10612), (2653, 8092), (3332, 6443), (4046, 5306)]