21473582

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 36590400

約数和(自身を除く): 15116818

約数列:

[1, 2, 13, 23, 26, 46, 149, 241, 298, 299, 482, 598, 1937, 3133, 3427, 3874, 5543, 6266, 6854, 11086, 35909, 44551, 71818, 72059, 89102, 144118, 466817, 825907, 933634, 1651814, 10736791, 21473582]

約数ペア:

[(1, 21473582), (2, 10736791), (13, 1651814), (23, 933634), (26, 825907), (46, 466817), (149, 144118), (241, 89102), (298, 72059), (299, 71818), (482, 44551), (598, 35909), (1937, 11086), (3133, 6854), (3427, 6266), (3874, 5543)]