21921712

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{229}}^1$

素因数の和:461

約数の個数: 40

約数和(自身を含む): 44263040

約数和(自身を除く): 22341328

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 193, 229, 248, 386, 458, 496, 772, 916, 1544, 1832, 3088, 3664, 5983, 7099, 11966, 14198, 23932, 28396, 44197, 47864, 56792, 88394, 95728, 113584, 176788, 353576, 707152, 1370107, 2740214, 5480428, 10960856, 21921712]

約数ペア:

[(1, 21921712), (2, 10960856), (4, 5480428), (8, 2740214), (16, 1370107), (31, 707152), (62, 353576), (124, 176788), (193, 113584), (229, 95728), (248, 88394), (386, 56792), (458, 47864), (496, 44197), (772, 28396), (916, 23932), (1544, 14198), (1832, 11966), (3088, 7099), (3664, 5983)]