21918632

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{857}}^1$

素因数の和:1025

約数の個数: 32

約数和(自身を含む): 43243200

約数和(自身を除く): 21324568

約数列:

[1, 2, 4, 8, 23, 46, 92, 139, 184, 278, 556, 857, 1112, 1714, 3197, 3428, 6394, 6856, 12788, 19711, 25576, 39422, 78844, 119123, 157688, 238246, 476492, 952984, 2739829, 5479658, 10959316, 21918632]

約数ペア:

[(1, 21918632), (2, 10959316), (4, 5479658), (8, 2739829), (23, 952984), (46, 476492), (92, 238246), (139, 157688), (184, 119123), (278, 78844), (556, 39422), (857, 25576), (1112, 19711), (1714, 12788), (3197, 6856), (3428, 6394)]