21373029

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4817}}^1$

素因数の和:4869

約数の個数: 24

約数和(自身を含む): 33822360

約数和(自身を除く): 12449331

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 493, 1479, 4437, 4817, 14451, 43353, 81889, 139693, 245667, 419079, 737001, 1257237, 2374781, 7124343, 21373029]

約数ペア:

[(1, 21373029), (3, 7124343), (9, 2374781), (17, 1257237), (29, 737001), (51, 419079), (87, 245667), (153, 139693), (261, 81889), (493, 43353), (1479, 14451), (4437, 4817)]