21371148

素因数分解:

$2^2\times 3^3\times {\mathrm{433}}^1\times {\mathrm{457}}^1$

素因数の和:903

約数の個数: 48

約数和(自身を含む): 55656160

約数和(自身を除く): 34285012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 433, 457, 866, 914, 1299, 1371, 1732, 1828, 2598, 2742, 3897, 4113, 5196, 5484, 7794, 8226, 11691, 12339, 15588, 16452, 23382, 24678, 46764, 49356, 197881, 395762, 593643, 791524, 1187286, 1780929, 2374572, 3561858, 5342787, 7123716, 10685574, 21371148]

約数ペア:

[(1, 21371148), (2, 10685574), (3, 7123716), (4, 5342787), (6, 3561858), (9, 2374572), (12, 1780929), (18, 1187286), (27, 791524), (36, 593643), (54, 395762), (108, 197881), (433, 49356), (457, 46764), (866, 24678), (914, 23382), (1299, 16452), (1371, 15588), (1732, 12339), (1828, 11691), (2598, 8226), (2742, 7794), (3897, 5484), (4113, 5196)]