21870653

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{569}}^1$

素因数の和:629

約数の個数: 24

約数和(自身を含む): 27998400

約数和(自身を除く): 6127747

約数列:

[1, 7, 17, 19, 119, 133, 289, 323, 569, 2023, 2261, 3983, 5491, 9673, 10811, 38437, 67711, 75677, 164441, 183787, 1151087, 1286509, 3124379, 21870653]

約数ペア:

[(1, 21870653), (7, 3124379), (17, 1286509), (19, 1151087), (119, 183787), (133, 164441), (289, 75677), (323, 67711), (569, 38437), (2023, 10811), (2261, 9673), (3983, 5491)]