21003113378

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1\times {\mathrm{71129}}^1$

素因数の和:71462

約数の個数: 32

約数和(自身を含む): 34881582960

約数和(自身を除く): 13878469582

約数列:

[1, 2, 13, 26, 41, 82, 277, 533, 554, 1066, 3601, 7202, 11357, 22714, 71129, 142258, 147641, 295282, 924677, 1849354, 2916289, 5832578, 19702733, 37911757, 39405466, 75823514, 256135529, 512271058, 807812053, 1615624106, 10501556689, 21003113378]

約数ペア:

[(1, 21003113378), (2, 10501556689), (13, 1615624106), (26, 807812053), (41, 512271058), (82, 256135529), (277, 75823514), (533, 39405466), (554, 37911757), (1066, 19702733), (3601, 5832578), (7202, 2916289), (11357, 1849354), (22714, 924677), (71129, 295282), (142258, 147641)]