21987222

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1373}}^1$

素因数の和:1552

約数の個数: 32

約数和(自身を含む): 46891872

約数和(自身を除く): 24904650

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 157, 314, 471, 942, 1373, 2669, 2746, 4119, 5338, 8007, 8238, 16014, 23341, 46682, 70023, 140046, 215561, 431122, 646683, 1293366, 3664537, 7329074, 10993611, 21987222]

約数ペア:

[(1, 21987222), (2, 10993611), (3, 7329074), (6, 3664537), (17, 1293366), (34, 646683), (51, 431122), (102, 215561), (157, 140046), (314, 70023), (471, 46682), (942, 23341), (1373, 16014), (2669, 8238), (2746, 8007), (4119, 5338)]