21463078

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{991}}^1$

素因数の和:1037

約数の個数: 48

約数和(自身を含む): 42747264

約数和(自身を除く): 21284186

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 49, 91, 98, 119, 182, 221, 238, 442, 637, 833, 991, 1274, 1547, 1666, 1982, 3094, 6937, 10829, 12883, 13874, 16847, 21658, 25766, 33694, 48559, 90181, 97118, 117929, 180362, 219011, 235858, 438022, 631267, 825503, 1262534, 1533077, 1651006, 3066154, 10731539, 21463078]

約数ペア:

[(1, 21463078), (2, 10731539), (7, 3066154), (13, 1651006), (14, 1533077), (17, 1262534), (26, 825503), (34, 631267), (49, 438022), (91, 235858), (98, 219011), (119, 180362), (182, 117929), (221, 97118), (238, 90181), (442, 48559), (637, 33694), (833, 25766), (991, 21658), (1274, 16847), (1547, 13874), (1666, 12883), (1982, 10829), (3094, 6937)]