21712876

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{2143}}^1$

素因数の和:2313

約数の個数: 24

約数和(自身を含む): 40521600

約数和(自身を除く): 18808724

約数列:

[1, 2, 4, 17, 34, 68, 149, 298, 596, 2143, 2533, 4286, 5066, 8572, 10132, 36431, 72862, 145724, 319307, 638614, 1277228, 5428219, 10856438, 21712876]

約数ペア:

[(1, 21712876), (2, 10856438), (4, 5428219), (17, 1277228), (34, 638614), (68, 319307), (149, 145724), (298, 72862), (596, 36431), (2143, 10132), (2533, 8572), (4286, 5066)]