21691884

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{751}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 53061120

約数和(自身を除く): 31369236

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 83, 87, 116, 166, 174, 249, 332, 348, 498, 751, 996, 1502, 2253, 2407, 3004, 4506, 4814, 7221, 9012, 9628, 14442, 21779, 28884, 43558, 62333, 65337, 87116, 124666, 130674, 186999, 249332, 261348, 373998, 747996, 1807657, 3615314, 5422971, 7230628, 10845942, 21691884]

約数ペア:

[(1, 21691884), (2, 10845942), (3, 7230628), (4, 5422971), (6, 3615314), (12, 1807657), (29, 747996), (58, 373998), (83, 261348), (87, 249332), (116, 186999), (166, 130674), (174, 124666), (249, 87116), (332, 65337), (348, 62333), (498, 43558), (751, 28884), (996, 21779), (1502, 14442), (2253, 9628), (2407, 9012), (3004, 7221), (4506, 4814)]