21910535

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:355

約数の個数: 24

約数和(自身を含む): 28514160

約数和(自身を除く): 6603625

約数列:

[1, 5, 17, 59, 85, 257, 289, 295, 1003, 1285, 1445, 4369, 5015, 15163, 17051, 21845, 74273, 75815, 85255, 257771, 371365, 1288855, 4382107, 21910535]

約数ペア:

[(1, 21910535), (5, 4382107), (17, 1288855), (59, 371365), (85, 257771), (257, 85255), (289, 75815), (295, 74273), (1003, 21845), (1285, 17051), (1445, 15163), (4369, 5015)]