21727241

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:664

約数の個数: 16

約数和(自身を含む): 24442560

約数和(自身を除く): 2715319

約数列:

[1, 17, 19, 137, 323, 491, 2329, 2603, 8347, 9329, 44251, 67267, 158593, 1143539, 1278073, 21727241]

約数ペア:

[(1, 21727241), (17, 1278073), (19, 1143539), (137, 158593), (323, 67267), (491, 44251), (2329, 9329), (2603, 8347)]