21231344

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{11743}}^1$

素因数の和:11864

約数の個数: 20

約数和(自身を含む): 41503296

約数和(自身を除く): 20271952

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 11743, 23486, 46972, 93944, 187888, 1326959, 2653918, 5307836, 10615672, 21231344]

約数ペア:

[(1, 21231344), (2, 10615672), (4, 5307836), (8, 2653918), (16, 1326959), (113, 187888), (226, 93944), (452, 46972), (904, 23486), (1808, 11743)]