21967078

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{307}}^1$

素因数の和:604

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 17949722

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 269, 307, 538, 614, 1883, 2149, 3766, 4298, 5111, 5833, 10222, 11666, 35777, 40831, 71554, 81662, 82583, 165166, 578081, 1156162, 1569077, 3138154, 10983539, 21967078]

約数ペア:

[(1, 21967078), (2, 10983539), (7, 3138154), (14, 1569077), (19, 1156162), (38, 578081), (133, 165166), (266, 82583), (269, 81662), (307, 71554), (538, 40831), (614, 35777), (1883, 11666), (2149, 10222), (3766, 5833), (4298, 5111)]