21573094

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2\times {\mathrm{257}}^1$

素因数の和:372

約数の個数: 24

約数和(自身を含む): 34938360

約数和(自身を除く): 13365266

約数列:

[1, 2, 19, 38, 47, 94, 257, 514, 893, 1786, 2209, 4418, 4883, 9766, 12079, 24158, 41971, 83942, 229501, 459002, 567713, 1135426, 10786547, 21573094]

約数ペア:

[(1, 21573094), (2, 10786547), (19, 1135426), (38, 567713), (47, 459002), (94, 229501), (257, 83942), (514, 41971), (893, 24158), (1786, 12079), (2209, 9766), (4418, 4883)]