16842021

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{631}}^1$

素因数の和:713

約数の個数: 32

約数和(自身を含む): 27181056

約数和(自身を除く): 10339035

約数列:

[1, 3, 7, 21, 31, 41, 93, 123, 217, 287, 631, 651, 861, 1271, 1893, 3813, 4417, 8897, 13251, 19561, 25871, 26691, 58683, 77613, 136927, 181097, 410781, 543291, 802001, 2406003, 5614007, 16842021]

約数ペア:

[(1, 16842021), (3, 5614007), (7, 2406003), (21, 802001), (31, 543291), (41, 410781), (93, 181097), (123, 136927), (217, 77613), (287, 58683), (631, 26691), (651, 25871), (861, 19561), (1271, 13251), (1893, 8897), (3813, 4417)]