21553086905

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1409159}}^1$

素因数の和:1409213

約数の個数: 32

約数和(自身を含む): 32467046400

約数和(自身を除く): 10913959495

約数列:

[1, 5, 7, 19, 23, 35, 95, 115, 133, 161, 437, 665, 805, 2185, 3059, 15295, 1409159, 7045795, 9864113, 26774021, 32410657, 49320565, 133870105, 162053285, 187418147, 226874599, 615802483, 937090735, 1134372995, 3079012415, 4310617381, 21553086905]

約数ペア:

[(1, 21553086905), (5, 4310617381), (7, 3079012415), (19, 1134372995), (23, 937090735), (35, 615802483), (95, 226874599), (115, 187418147), (133, 162053285), (161, 133870105), (437, 49320565), (665, 32410657), (805, 26774021), (2185, 9864113), (3059, 7045795), (15295, 1409159)]