21896805

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{9067}}^1$

素因数の和:9105

約数の個数: 32

約数和(自身を含む): 41785344

約数和(自身を除く): 19888539

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 9067, 27201, 45335, 63469, 136005, 190407, 208541, 317345, 625623, 952035, 1042705, 1459787, 3128115, 4379361, 7298935, 21896805]

約数ペア:

[(1, 21896805), (3, 7298935), (5, 4379361), (7, 3128115), (15, 1459787), (21, 1042705), (23, 952035), (35, 625623), (69, 317345), (105, 208541), (115, 190407), (161, 136005), (345, 63469), (483, 45335), (805, 27201), (2415, 9067)]