21647214358

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{311677}}^1$

素因数の和:311749

約数の個数: 48

約数和(自身を含む): 41784799392

約数和(自身を除く): 20137585034

約数列:

[1, 2, 7, 11, 14, 22, 41, 77, 82, 121, 154, 242, 287, 451, 574, 847, 902, 1694, 3157, 4961, 6314, 9922, 34727, 69454, 311677, 623354, 2181739, 3428447, 4363478, 6856894, 12778757, 23999129, 25557514, 37712917, 47998258, 75425834, 89451299, 140566327, 178902598, 263990419, 281132654, 527980838, 983964289, 1546229597, 1967928578, 3092459194, 10823607179, 21647214358]

約数ペア:

[(1, 21647214358), (2, 10823607179), (7, 3092459194), (11, 1967928578), (14, 1546229597), (22, 983964289), (41, 527980838), (77, 281132654), (82, 263990419), (121, 178902598), (154, 140566327), (242, 89451299), (287, 75425834), (451, 47998258), (574, 37712917), (847, 25557514), (902, 23999129), (1694, 12778757), (3157, 6856894), (4961, 4363478), (6314, 3428447), (9922, 2181739), (34727, 623354), (69454, 311677)]