21621586

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{90847}}^1$

素因数の和:90873

約数の個数: 16

約数和(自身を含む): 39246336

約数和(自身を除く): 17624750

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 90847, 181694, 635929, 1271858, 1544399, 3088798, 10810793, 21621586]

約数ペア:

[(1, 21621586), (2, 10810793), (7, 3088798), (14, 1544399), (17, 1271858), (34, 635929), (119, 181694), (238, 90847)]