21779172

素因数分解:

$2^2\times 3^3\times {\mathrm{421}}^1\times {\mathrm{479}}^1$

素因数の和:913

約数の個数: 48

約数和(自身を含む): 56716800

約数和(自身を除く): 34937628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 421, 479, 842, 958, 1263, 1437, 1684, 1916, 2526, 2874, 3789, 4311, 5052, 5748, 7578, 8622, 11367, 12933, 15156, 17244, 22734, 25866, 45468, 51732, 201659, 403318, 604977, 806636, 1209954, 1814931, 2419908, 3629862, 5444793, 7259724, 10889586, 21779172]

約数ペア:

[(1, 21779172), (2, 10889586), (3, 7259724), (4, 5444793), (6, 3629862), (9, 2419908), (12, 1814931), (18, 1209954), (27, 806636), (36, 604977), (54, 403318), (108, 201659), (421, 51732), (479, 45468), (842, 25866), (958, 22734), (1263, 17244), (1437, 15156), (1684, 12933), (1916, 11367), (2526, 8622), (2874, 7578), (3789, 5748), (4311, 5052)]