21921730

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{32719}}^1$

素因数の和:32793

約数の個数: 16

約数和(自身を含む): 40049280

約数和(自身を除く): 18127550

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 32719, 65438, 163595, 327190, 2192173, 4384346, 10960865, 21921730]

約数ペア:

[(1, 21921730), (2, 10960865), (5, 4384346), (10, 2192173), (67, 327190), (134, 163595), (335, 65438), (670, 32719)]