21708222

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1747}}^1$

素因数の和:1880

約数の個数: 32

約数和(自身を含む): 46147200

約数和(自身を除く): 24438978

約数列:

[1, 2, 3, 6, 19, 38, 57, 109, 114, 218, 327, 654, 1747, 2071, 3494, 4142, 5241, 6213, 10482, 12426, 33193, 66386, 99579, 190423, 199158, 380846, 571269, 1142538, 3618037, 7236074, 10854111, 21708222]

約数ペア:

[(1, 21708222), (2, 10854111), (3, 7236074), (6, 3618037), (19, 1142538), (38, 571269), (57, 380846), (109, 199158), (114, 190423), (218, 99579), (327, 66386), (654, 33193), (1747, 12426), (2071, 10482), (3494, 6213), (4142, 5241)]