21787676

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{373}}^1\times {\mathrm{859}}^1$

素因数の和:1253

約数の個数: 24

約数和(自身を含む): 40526640

約数和(自身を除く): 18738964

約数列:

[1, 2, 4, 17, 34, 68, 373, 746, 859, 1492, 1718, 3436, 6341, 12682, 14603, 25364, 29206, 58412, 320407, 640814, 1281628, 5446919, 10893838, 21787676]

約数ペア:

[(1, 21787676), (2, 10893838), (4, 5446919), (17, 1281628), (34, 640814), (68, 320407), (373, 58412), (746, 29206), (859, 25364), (1492, 14603), (1718, 12682), (3436, 6341)]