21540664

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{971}}^1$

素因数の和:1083

約数の個数: 32

約数和(自身を含む): 41990400

約数和(自身を除く): 20449736

約数列:

[1, 2, 4, 8, 47, 59, 94, 118, 188, 236, 376, 472, 971, 1942, 2773, 3884, 5546, 7768, 11092, 22184, 45637, 57289, 91274, 114578, 182548, 229156, 365096, 458312, 2692583, 5385166, 10770332, 21540664]

約数ペア:

[(1, 21540664), (2, 10770332), (4, 5385166), (8, 2692583), (47, 458312), (59, 365096), (94, 229156), (118, 182548), (188, 114578), (236, 91274), (376, 57289), (472, 45637), (971, 22184), (1942, 11092), (2773, 7768), (3884, 5546)]