21573792

素因数分解:

$2^5\times 3^2\times {\mathrm{173}}^1\times {\mathrm{433}}^1$

素因数の和:622

約数の個数: 72

約数和(自身を含む): 61847604

約数和(自身を除く): 40273812

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 173, 288, 346, 433, 519, 692, 866, 1038, 1299, 1384, 1557, 1732, 2076, 2598, 2768, 3114, 3464, 3897, 4152, 5196, 5536, 6228, 6928, 7794, 8304, 10392, 12456, 13856, 15588, 16608, 20784, 24912, 31176, 41568, 49824, 62352, 74909, 124704, 149818, 224727, 299636, 449454, 599272, 674181, 898908, 1198544, 1348362, 1797816, 2397088, 2696724, 3595632, 5393448, 7191264, 10786896, 21573792]

約数ペア:

[(1, 21573792), (2, 10786896), (3, 7191264), (4, 5393448), (6, 3595632), (8, 2696724), (9, 2397088), (12, 1797816), (16, 1348362), (18, 1198544), (24, 898908), (32, 674181), (36, 599272), (48, 449454), (72, 299636), (96, 224727), (144, 149818), (173, 124704), (288, 74909), (346, 62352), (433, 49824), (519, 41568), (692, 31176), (866, 24912), (1038, 20784), (1299, 16608), (1384, 15588), (1557, 13856), (1732, 12456), (2076, 10392), (2598, 8304), (2768, 7794), (3114, 6928), (3464, 6228), (3897, 5536), (4152, 5196)]