21938175

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{4643}}^1$

素因数の和:4669

約数の個数: 48

約数和(自身を含む): 46068480

約数和(自身を除く): 24130305

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 135, 175, 189, 225, 315, 525, 675, 945, 1575, 4643, 4725, 13929, 23215, 32501, 41787, 69645, 97503, 116075, 125361, 162505, 208935, 292509, 348225, 487515, 626805, 812525, 877527, 1044675, 1462545, 2437575, 3134025, 4387635, 7312725, 21938175]

約数ペア:

[(1, 21938175), (3, 7312725), (5, 4387635), (7, 3134025), (9, 2437575), (15, 1462545), (21, 1044675), (25, 877527), (27, 812525), (35, 626805), (45, 487515), (63, 348225), (75, 292509), (105, 208935), (135, 162505), (175, 125361), (189, 116075), (225, 97503), (315, 69645), (525, 41787), (675, 32501), (945, 23215), (1575, 13929), (4643, 4725)]