21965502

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{281609}}^1$

素因数の和:281627

約数の個数: 16

約数和(自身を含む): 47310480

約数和(自身を除く): 25344978

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 281609, 563218, 844827, 1689654, 3660917, 7321834, 10982751, 21965502]

約数ペア:

[(1, 21965502), (2, 10982751), (3, 7321834), (6, 3660917), (13, 1689654), (26, 844827), (39, 563218), (78, 281609)]