21500752

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14767}}^1$

素因数の和:14795

約数の個数: 40

約数和(自身を含む): 51274496

約数和(自身を除く): 29773744

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 14767, 29534, 59068, 103369, 118136, 191971, 206738, 236272, 383942, 413476, 767884, 826952, 1343797, 1535768, 1653904, 2687594, 3071536, 5375188, 10750376, 21500752]

約数ペア:

[(1, 21500752), (2, 10750376), (4, 5375188), (7, 3071536), (8, 2687594), (13, 1653904), (14, 1535768), (16, 1343797), (26, 826952), (28, 767884), (52, 413476), (56, 383942), (91, 236272), (104, 206738), (112, 191971), (182, 118136), (208, 103369), (364, 59068), (728, 29534), (1456, 14767)]