21000377079

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{224947}}^1$

素因数の和:225028

約数の個数: 48

約数和(自身を含む): 35372623104

約数和(自身を除く): 14372246025

約数列:

[1, 3, 9, 11, 23, 33, 41, 69, 99, 123, 207, 253, 369, 451, 759, 943, 1353, 2277, 2829, 4059, 8487, 10373, 31119, 93357, 224947, 674841, 2024523, 2474417, 5173781, 7423251, 9222827, 15521343, 22269753, 27668481, 46564029, 56911591, 83005443, 101451097, 170734773, 212125021, 304353291, 512204319, 636375063, 913059873, 1909125189, 2333375231, 7000125693, 21000377079]

約数ペア:

[(1, 21000377079), (3, 7000125693), (9, 2333375231), (11, 1909125189), (23, 913059873), (33, 636375063), (41, 512204319), (69, 304353291), (99, 212125021), (123, 170734773), (207, 101451097), (253, 83005443), (369, 56911591), (451, 46564029), (759, 27668481), (943, 22269753), (1353, 15521343), (2277, 9222827), (2829, 7423251), (4059, 5173781), (8487, 2474417), (10373, 2024523), (31119, 674841), (93357, 224947)]