21413988

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31307}}^1$

素因数の和:31336

約数の個数: 36

約数和(自身を含む): 56980560

約数和(自身を除く): 35566572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 31307, 62614, 93921, 125228, 187842, 281763, 375684, 563526, 594833, 1127052, 1189666, 1784499, 2379332, 3568998, 5353497, 7137996, 10706994, 21413988]

約数ペア:

[(1, 21413988), (2, 10706994), (3, 7137996), (4, 5353497), (6, 3568998), (9, 2379332), (12, 1784499), (18, 1189666), (19, 1127052), (36, 594833), (38, 563526), (57, 375684), (76, 281763), (114, 187842), (171, 125228), (228, 93921), (342, 62614), (684, 31307)]