21408624

素因数分解:

$2^4\times 3^4\times {\mathrm{16519}}^1$

素因数の和:16539

約数の個数: 50

約数和(自身を含む): 61966520

約数和(自身を除く): 40557896

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 324, 432, 648, 1296, 16519, 33038, 49557, 66076, 99114, 132152, 148671, 198228, 264304, 297342, 396456, 446013, 594684, 792912, 892026, 1189368, 1338039, 1784052, 2378736, 2676078, 3568104, 5352156, 7136208, 10704312, 21408624]

約数ペア:

[(1, 21408624), (2, 10704312), (3, 7136208), (4, 5352156), (6, 3568104), (8, 2676078), (9, 2378736), (12, 1784052), (16, 1338039), (18, 1189368), (24, 892026), (27, 792912), (36, 594684), (48, 446013), (54, 396456), (72, 297342), (81, 264304), (108, 198228), (144, 148671), (162, 132152), (216, 99114), (324, 66076), (432, 49557), (648, 33038), (1296, 16519)]