21760515

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{23027}}^1$

素因数の和:23048

約数の個数: 32

約数和(自身を含む): 44213760

約数和(自身を除く): 22453245

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 23027, 69081, 115135, 161189, 207243, 345405, 483567, 621729, 805945, 1036215, 1450701, 2417835, 3108645, 4352103, 7253505, 21760515]

約数ペア:

[(1, 21760515), (3, 7253505), (5, 4352103), (7, 3108645), (9, 2417835), (15, 1450701), (21, 1036215), (27, 805945), (35, 621729), (45, 483567), (63, 345405), (105, 207243), (135, 161189), (189, 115135), (315, 69081), (945, 23027)]