16621143

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1$

素因数の和:588

約数の個数: 48

約数和(自身を含む): 29658240

約数和(自身を除く): 13037097

約数列:

[1, 3, 7, 11, 19, 21, 33, 49, 57, 77, 133, 147, 209, 231, 399, 539, 541, 627, 931, 1463, 1617, 1623, 2793, 3787, 4389, 5951, 10241, 10279, 11361, 17853, 26509, 30723, 30837, 41657, 71953, 79527, 113069, 124971, 215859, 291599, 339207, 503671, 791483, 874797, 1511013, 2374449, 5540381, 16621143]

約数ペア:

[(1, 16621143), (3, 5540381), (7, 2374449), (11, 1511013), (19, 874797), (21, 791483), (33, 503671), (49, 339207), (57, 291599), (77, 215859), (133, 124971), (147, 113069), (209, 79527), (231, 71953), (399, 41657), (539, 30837), (541, 30723), (627, 26509), (931, 17853), (1463, 11361), (1617, 10279), (1623, 10241), (2793, 5951), (3787, 4389)]