21396026

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{373}}^1$

素因数の和:470

約数の個数: 32

約数和(自身を含む): 35544960

約数和(自身を除く): 14148934

約数列:

[1, 2, 23, 29, 43, 46, 58, 86, 373, 667, 746, 989, 1247, 1334, 1978, 2494, 8579, 10817, 16039, 17158, 21634, 28681, 32078, 57362, 248791, 368897, 465131, 497582, 737794, 930262, 10698013, 21396026]

約数ペア:

[(1, 21396026), (2, 10698013), (23, 930262), (29, 737794), (43, 497582), (46, 465131), (58, 368897), (86, 248791), (373, 57362), (667, 32078), (746, 28681), (989, 21634), (1247, 17158), (1334, 16039), (1978, 10817), (2494, 8579)]