21742031

素因数分解:

${\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{409}}^1$

素因数の和:538

約数の個数: 16

約数和(自身を含む): 23911200

約数和(自身を除く): 2169169

約数列:

[1, 17, 53, 59, 409, 901, 1003, 3127, 6953, 21677, 24131, 53159, 368509, 410227, 1278943, 21742031]

約数ペア:

[(1, 21742031), (17, 1278943), (53, 410227), (59, 368509), (409, 53159), (901, 24131), (1003, 21677), (3127, 6953)]