21437235

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{16427}}^1$

素因数の和:16467

約数の個数: 24

約数和(自身を含む): 38441520

約数和(自身を除く): 17004285

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 16427, 49281, 82135, 147843, 246405, 476383, 739215, 1429149, 2381915, 4287447, 7145745, 21437235]

約数ペア:

[(1, 21437235), (3, 7145745), (5, 4287447), (9, 2381915), (15, 1429149), (29, 739215), (45, 476383), (87, 246405), (145, 147843), (261, 82135), (435, 49281), (1305, 16427)]