21542868

素因数分解:

$2^2\times 3^3\times {\mathrm{151}}^1\times {\mathrm{1321}}^1$

素因数の和:1485

約数の個数: 48

約数和(自身を含む): 56264320

約数和(自身を除く): 34721452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 151, 302, 453, 604, 906, 1321, 1359, 1812, 2642, 2718, 3963, 4077, 5284, 5436, 7926, 8154, 11889, 15852, 16308, 23778, 35667, 47556, 71334, 142668, 199471, 398942, 598413, 797884, 1196826, 1795239, 2393652, 3590478, 5385717, 7180956, 10771434, 21542868]

約数ペア:

[(1, 21542868), (2, 10771434), (3, 7180956), (4, 5385717), (6, 3590478), (9, 2393652), (12, 1795239), (18, 1196826), (27, 797884), (36, 598413), (54, 398942), (108, 199471), (151, 142668), (302, 71334), (453, 47556), (604, 35667), (906, 23778), (1321, 16308), (1359, 15852), (1812, 11889), (2642, 8154), (2718, 7926), (3963, 5436), (4077, 5284)]