21353228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{8737}}^1$

素因数の和:8801

約数の個数: 24

約数和(自身を含む): 41103552

約数和(自身を除く): 19750324

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 188, 611, 1222, 2444, 8737, 17474, 34948, 113581, 227162, 410639, 454324, 821278, 1642556, 5338307, 10676614, 21353228]

約数ペア:

[(1, 21353228), (2, 10676614), (4, 5338307), (13, 1642556), (26, 821278), (47, 454324), (52, 410639), (94, 227162), (188, 113581), (611, 34948), (1222, 17474), (2444, 8737)]