21437904

素因数分解:

$2^4\times 3^1\times {\mathrm{83}}^1\times {\mathrm{5381}}^1$

素因数の和:5475

約数の個数: 40

約数和(自身を含む): 56058912

約数和(自身を除く): 34621008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 83, 166, 249, 332, 498, 664, 996, 1328, 1992, 3984, 5381, 10762, 16143, 21524, 32286, 43048, 64572, 86096, 129144, 258288, 446623, 893246, 1339869, 1786492, 2679738, 3572984, 5359476, 7145968, 10718952, 21437904]

約数ペア:

[(1, 21437904), (2, 10718952), (3, 7145968), (4, 5359476), (6, 3572984), (8, 2679738), (12, 1786492), (16, 1339869), (24, 893246), (48, 446623), (83, 258288), (166, 129144), (249, 86096), (332, 64572), (498, 43048), (664, 32286), (996, 21524), (1328, 16143), (1992, 10762), (3984, 5381)]