21464790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:317

約数の個数: 64

約数和(自身を含む): 53464320

約数和(自身を除く): 31999530

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 59, 67, 118, 134, 177, 181, 201, 295, 335, 354, 362, 402, 543, 590, 670, 885, 905, 1005, 1086, 1770, 1810, 2010, 2715, 3953, 5430, 7906, 10679, 11859, 12127, 19765, 21358, 23718, 24254, 32037, 36381, 39530, 53395, 59295, 60635, 64074, 72762, 106790, 118590, 121270, 160185, 181905, 320370, 363810, 715493, 1430986, 2146479, 3577465, 4292958, 7154930, 10732395, 21464790]

約数ペア:

[(1, 21464790), (2, 10732395), (3, 7154930), (5, 4292958), (6, 3577465), (10, 2146479), (15, 1430986), (30, 715493), (59, 363810), (67, 320370), (118, 181905), (134, 160185), (177, 121270), (181, 118590), (201, 106790), (295, 72762), (335, 64074), (354, 60635), (362, 59295), (402, 53395), (543, 39530), (590, 36381), (670, 32037), (885, 24254), (905, 23718), (1005, 21358), (1086, 19765), (1770, 12127), (1810, 11859), (2010, 10679), (2715, 7906), (3953, 5430)]