21947724

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{11503}}^1$

素因数の和:11566

約数の個数: 36

約数和(自身を含む): 56530656

約数和(自身を除く): 34582932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 11503, 23006, 34509, 46012, 69018, 103527, 138036, 207054, 414108, 609659, 1219318, 1828977, 2438636, 3657954, 5486931, 7315908, 10973862, 21947724]

約数ペア:

[(1, 21947724), (2, 10973862), (3, 7315908), (4, 5486931), (6, 3657954), (9, 2438636), (12, 1828977), (18, 1219318), (36, 609659), (53, 414108), (106, 207054), (159, 138036), (212, 103527), (318, 69018), (477, 46012), (636, 34509), (954, 23006), (1908, 11503)]