21013629

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 35979264

約数和(自身を除く): 14965635

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 169, 191, 217, 273, 403, 507, 573, 651, 1183, 1209, 1337, 2483, 2821, 3549, 4011, 5239, 5921, 7449, 8463, 15717, 17381, 17763, 32279, 36673, 41447, 52143, 76973, 96837, 110019, 124341, 225953, 230919, 538811, 677859, 1000649, 1616433, 3001947, 7004543, 21013629]

約数ペア:

[(1, 21013629), (3, 7004543), (7, 3001947), (13, 1616433), (21, 1000649), (31, 677859), (39, 538811), (91, 230919), (93, 225953), (169, 124341), (191, 110019), (217, 96837), (273, 76973), (403, 52143), (507, 41447), (573, 36673), (651, 32279), (1183, 17763), (1209, 17381), (1337, 15717), (2483, 8463), (2821, 7449), (3549, 5921), (4011, 5239)]