21408516

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{10433}}^1$

素因数の和:10465

約数の個数: 48

約数和(自身を含む): 58430400

約数和(自身を除く): 37021884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 10433, 20866, 31299, 41732, 62598, 93897, 125196, 187794, 198227, 281691, 375588, 396454, 563382, 594681, 792908, 1126764, 1189362, 1784043, 2378724, 3568086, 5352129, 7136172, 10704258, 21408516]

約数ペア:

[(1, 21408516), (2, 10704258), (3, 7136172), (4, 5352129), (6, 3568086), (9, 2378724), (12, 1784043), (18, 1189362), (19, 1126764), (27, 792908), (36, 594681), (38, 563382), (54, 396454), (57, 375588), (76, 281691), (108, 198227), (114, 187794), (171, 125196), (228, 93897), (342, 62598), (513, 41732), (684, 31299), (1026, 20866), (2052, 10433)]