21887774

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{1831}}^1$

素因数の和:2015

約数の個数: 16

約数和(自身を含む): 33855360

約数和(自身を除く): 11967586

約数列:

[1, 2, 43, 86, 139, 278, 1831, 3662, 5977, 11954, 78733, 157466, 254509, 509018, 10943887, 21887774]

約数ペア:

[(1, 21887774), (2, 10943887), (43, 509018), (86, 254509), (139, 157466), (278, 78733), (1831, 11954), (3662, 5977)]