21919374

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{19963}}^1$

素因数の和:20032

約数の個数: 24

約数和(自身を含む): 48272952

約数和(自身を除く): 26353578

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 183, 366, 549, 1098, 19963, 39926, 59889, 119778, 179667, 359334, 1217743, 2435486, 3653229, 7306458, 10959687, 21919374]

約数ペア:

[(1, 21919374), (2, 10959687), (3, 7306458), (6, 3653229), (9, 2435486), (18, 1217743), (61, 359334), (122, 179667), (183, 119778), (366, 59889), (549, 39926), (1098, 19963)]