21044722

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{1723}}^1$

素因数の和:1953

約数の個数: 16

約数和(自身を含む): 32769792

約数和(自身を除く): 11725070

約数列:

[1, 2, 31, 62, 197, 394, 1723, 3446, 6107, 12214, 53413, 106826, 339431, 678862, 10522361, 21044722]

約数ペア:

[(1, 21044722), (2, 10522361), (31, 678862), (62, 339431), (197, 106826), (394, 53413), (1723, 12214), (3446, 6107)]