21949516

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{3889}}^1$

素因数の和:3993

約数の個数: 24

約数和(自身を含む): 41171760

約数和(自身を除く): 19222244

約数列:

[1, 2, 4, 17, 34, 68, 83, 166, 332, 1411, 2822, 3889, 5644, 7778, 15556, 66113, 132226, 264452, 322787, 645574, 1291148, 5487379, 10974758, 21949516]

約数ペア:

[(1, 21949516), (2, 10974758), (4, 5487379), (17, 1291148), (34, 645574), (68, 322787), (83, 264452), (166, 132226), (332, 66113), (1411, 15556), (2822, 7778), (3889, 5644)]