21606832

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1423}}^1$

素因数の和:1517

約数の個数: 40

約数和(自身を含む): 45733184

約数和(自身を除く): 24126352

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 73, 104, 146, 208, 292, 584, 949, 1168, 1423, 1898, 2846, 3796, 5692, 7592, 11384, 15184, 18499, 22768, 36998, 73996, 103879, 147992, 207758, 295984, 415516, 831032, 1350427, 1662064, 2700854, 5401708, 10803416, 21606832]

約数ペア:

[(1, 21606832), (2, 10803416), (4, 5401708), (8, 2700854), (13, 1662064), (16, 1350427), (26, 831032), (52, 415516), (73, 295984), (104, 207758), (146, 147992), (208, 103879), (292, 73996), (584, 36998), (949, 22768), (1168, 18499), (1423, 15184), (1898, 11384), (2846, 7592), (3796, 5692)]