21155786

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 35163072

約数和(自身を除く): 14007286

約数列:

[1, 2, 17, 34, 37, 67, 74, 134, 251, 502, 629, 1139, 1258, 2278, 2479, 4267, 4958, 8534, 9287, 16817, 18574, 33634, 42143, 84286, 157879, 285889, 315758, 571778, 622229, 1244458, 10577893, 21155786]

約数ペア:

[(1, 21155786), (2, 10577893), (17, 1244458), (34, 622229), (37, 571778), (67, 315758), (74, 285889), (134, 157879), (251, 84286), (502, 42143), (629, 33634), (1139, 18574), (1258, 16817), (2278, 9287), (2479, 8534), (4267, 4958)]