21168952

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{6197}}^1$

素因数の和:6271

約数の個数: 32

約数和(自身を含む): 46113120

約数和(自身を除く): 24944168

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 6197, 12394, 24788, 43379, 49576, 86758, 173516, 347032, 378017, 756034, 1512068, 2646119, 3024136, 5292238, 10584476, 21168952]

約数ペア:

[(1, 21168952), (2, 10584476), (4, 5292238), (7, 3024136), (8, 2646119), (14, 1512068), (28, 756034), (56, 378017), (61, 347032), (122, 173516), (244, 86758), (427, 49576), (488, 43379), (854, 24788), (1708, 12394), (3416, 6197)]