21952035

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{307}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 43819776

約数和(自身を除く): 21867741

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 227, 307, 315, 681, 921, 1135, 1535, 1589, 2043, 2149, 2763, 3405, 4605, 4767, 6447, 7945, 10215, 10745, 13815, 14301, 19341, 23835, 32235, 69689, 71505, 96705, 209067, 348445, 487823, 627201, 1045335, 1463469, 2439115, 3136005, 4390407, 7317345, 21952035]

約数ペア:

[(1, 21952035), (3, 7317345), (5, 4390407), (7, 3136005), (9, 2439115), (15, 1463469), (21, 1045335), (35, 627201), (45, 487823), (63, 348445), (105, 209067), (227, 96705), (307, 71505), (315, 69689), (681, 32235), (921, 23835), (1135, 19341), (1535, 14301), (1589, 13815), (2043, 10745), (2149, 10215), (2763, 7945), (3405, 6447), (4605, 4767)]