21376084

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{1489}}^1$

素因数の和:1627

約数の個数: 24

約数和(自身を含む): 38841320

約数和(自身を除く): 17465236

約数列:

[1, 2, 4, 37, 74, 97, 148, 194, 388, 1489, 2978, 3589, 5956, 7178, 14356, 55093, 110186, 144433, 220372, 288866, 577732, 5344021, 10688042, 21376084]

約数ペア:

[(1, 21376084), (2, 10688042), (4, 5344021), (37, 577732), (74, 288866), (97, 220372), (148, 144433), (194, 110186), (388, 55093), (1489, 14356), (2978, 7178), (3589, 5956)]