21908368

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{3793}}^1$

素因数の和:3839

約数の個数: 30

約数和(自身を含む): 44810934

約数和(自身を除く): 22902566

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 361, 722, 1444, 2888, 3793, 5776, 7586, 15172, 30344, 60688, 72067, 144134, 288268, 576536, 1153072, 1369273, 2738546, 5477092, 10954184, 21908368]

約数ペア:

[(1, 21908368), (2, 10954184), (4, 5477092), (8, 2738546), (16, 1369273), (19, 1153072), (38, 576536), (76, 288268), (152, 144134), (304, 72067), (361, 60688), (722, 30344), (1444, 15172), (2888, 7586), (3793, 5776)]