21787184930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{42689}}^1$

素因数の和:43043

約数の個数: 64

約数和(自身を含む): 46916651520

約数和(自身を除く): 25129466590

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 317, 322, 634, 805, 1585, 1610, 2219, 3170, 4438, 7291, 11095, 14582, 22190, 36455, 42689, 51037, 72910, 85378, 102074, 213445, 255185, 298823, 426890, 510370, 597646, 981847, 1494115, 1963694, 2988230, 4909235, 6872929, 9818470, 13532413, 13745858, 27064826, 34364645, 67662065, 68729290, 94726891, 135324130, 189453782, 311245499, 473634455, 622490998, 947268910, 1556227495, 2178718493, 3112454990, 4357436986, 10893592465, 21787184930]

約数ペア:

[(1, 21787184930), (2, 10893592465), (5, 4357436986), (7, 3112454990), (10, 2178718493), (14, 1556227495), (23, 947268910), (35, 622490998), (46, 473634455), (70, 311245499), (115, 189453782), (161, 135324130), (230, 94726891), (317, 68729290), (322, 67662065), (634, 34364645), (805, 27064826), (1585, 13745858), (1610, 13532413), (2219, 9818470), (3170, 6872929), (4438, 4909235), (7291, 2988230), (11095, 1963694), (14582, 1494115), (22190, 981847), (36455, 597646), (42689, 510370), (51037, 426890), (72910, 298823), (85378, 255185), (102074, 213445)]