21940404

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{821}}^1$

素因数の和:976

約数の個数: 48

約数和(自身を含む): 54686016

約数和(自身を除く): 32745612

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 131, 204, 262, 393, 524, 786, 821, 1572, 1642, 2227, 2463, 3284, 4454, 4926, 6681, 8908, 9852, 13362, 13957, 26724, 27914, 41871, 55828, 83742, 107551, 167484, 215102, 322653, 430204, 645306, 1290612, 1828367, 3656734, 5485101, 7313468, 10970202, 21940404]

約数ペア:

[(1, 21940404), (2, 10970202), (3, 7313468), (4, 5485101), (6, 3656734), (12, 1828367), (17, 1290612), (34, 645306), (51, 430204), (68, 322653), (102, 215102), (131, 167484), (204, 107551), (262, 83742), (393, 55828), (524, 41871), (786, 27914), (821, 26724), (1572, 13957), (1642, 13362), (2227, 9852), (2463, 8908), (3284, 6681), (4454, 4926)]