21745006

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1$

素因数の和:900

約数の個数: 32

約数和(自身を含む): 37285920

約数和(自身を除く): 15540914

約数列:

[1, 2, 17, 19, 34, 38, 41, 82, 323, 646, 697, 779, 821, 1394, 1558, 1642, 13243, 13957, 15599, 26486, 27914, 31198, 33661, 67322, 265183, 530366, 572237, 639559, 1144474, 1279118, 10872503, 21745006]

約数ペア:

[(1, 21745006), (2, 10872503), (17, 1279118), (19, 1144474), (34, 639559), (38, 572237), (41, 530366), (82, 265183), (323, 67322), (646, 33661), (697, 31198), (779, 27914), (821, 26486), (1394, 15599), (1558, 13957), (1642, 13243)]