21045752

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28909}}^1$

素因数の和:28935

約数の個数: 32

約数和(自身を含む): 48568800

約数和(自身を除く): 27523048

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 28909, 57818, 115636, 202363, 231272, 375817, 404726, 751634, 809452, 1503268, 1618904, 2630719, 3006536, 5261438, 10522876, 21045752]

約数ペア:

[(1, 21045752), (2, 10522876), (4, 5261438), (7, 3006536), (8, 2630719), (13, 1618904), (14, 1503268), (26, 809452), (28, 751634), (52, 404726), (56, 375817), (91, 231272), (104, 202363), (182, 115636), (364, 57818), (728, 28909)]