21363952

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1123}}^1$

素因数の和:1201

約数の個数: 40

約数和(自身を含む): 43903440

約数和(自身を除く): 22539488

約数列:

[1, 2, 4, 8, 16, 29, 41, 58, 82, 116, 164, 232, 328, 464, 656, 1123, 1189, 2246, 2378, 4492, 4756, 8984, 9512, 17968, 19024, 32567, 46043, 65134, 92086, 130268, 184172, 260536, 368344, 521072, 736688, 1335247, 2670494, 5340988, 10681976, 21363952]

約数ペア:

[(1, 21363952), (2, 10681976), (4, 5340988), (8, 2670494), (16, 1335247), (29, 736688), (41, 521072), (58, 368344), (82, 260536), (116, 184172), (164, 130268), (232, 92086), (328, 65134), (464, 46043), (656, 32567), (1123, 19024), (1189, 17968), (2246, 9512), (2378, 8984), (4492, 4756)]