21222278

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7253}}^1$

素因数の和:7292

約数の個数: 32

約数和(自身を含む): 41783040

約数和(自身を除く): 20560762

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 266, 418, 1463, 2926, 7253, 14506, 50771, 79783, 101542, 137807, 159566, 275614, 558481, 964649, 1116962, 1515877, 1929298, 3031754, 10611139, 21222278]

約数ペア:

[(1, 21222278), (2, 10611139), (7, 3031754), (11, 1929298), (14, 1515877), (19, 1116962), (22, 964649), (38, 558481), (77, 275614), (133, 159566), (154, 137807), (209, 101542), (266, 79783), (418, 50771), (1463, 14506), (2926, 7253)]