21227312

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{42797}}^1$

素因数の和:42836

約数の個数: 20

約数和(自身を含む): 42455616

約数和(自身を除く): 21228304

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 42797, 85594, 171188, 342376, 684752, 1326707, 2653414, 5306828, 10613656, 21227312]

約数ペア:

[(1, 21227312), (2, 10613656), (4, 5306828), (8, 2653414), (16, 1326707), (31, 684752), (62, 342376), (124, 171188), (248, 85594), (496, 42797)]