21953666

素因数分解:

$2^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{2699}}^1$

素因数の和:2798

約数の個数: 24

約数和(自身を含む): 38782800

約数和(自身を除く): 16829134

約数列:

[1, 2, 7, 14, 49, 83, 98, 166, 581, 1162, 2699, 4067, 5398, 8134, 18893, 37786, 132251, 224017, 264502, 448034, 1568119, 3136238, 10976833, 21953666]

約数ペア:

[(1, 21953666), (2, 10976833), (7, 3136238), (14, 1568119), (49, 448034), (83, 264502), (98, 224017), (166, 132251), (581, 37786), (1162, 18893), (2699, 8134), (4067, 5398)]