21857030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8849}}^1$

素因数の和:8888

約数の個数: 32

約数和(自身を含む): 44604000

約数和(自身を除く): 22746970

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 8849, 17698, 44245, 88490, 115037, 168131, 230074, 336262, 575185, 840655, 1150370, 1681310, 2185703, 4371406, 10928515, 21857030]

約数ペア:

[(1, 21857030), (2, 10928515), (5, 4371406), (10, 2185703), (13, 1681310), (19, 1150370), (26, 840655), (38, 575185), (65, 336262), (95, 230074), (130, 168131), (190, 115037), (247, 88490), (494, 44245), (1235, 17698), (2470, 8849)]