21809606

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:118

約数の個数: 96

約数和(自身を含む): 46539360

約数和(自身を除く): 24729754

約数列:

[1, 2, 7, 13, 14, 17, 19, 26, 34, 38, 49, 53, 91, 98, 106, 119, 133, 182, 221, 238, 247, 266, 323, 371, 442, 494, 637, 646, 689, 742, 833, 901, 931, 1007, 1274, 1378, 1547, 1666, 1729, 1802, 1862, 2014, 2261, 2597, 3094, 3458, 4199, 4522, 4823, 5194, 6307, 7049, 8398, 9646, 10829, 11713, 12103, 12614, 13091, 14098, 15827, 17119, 21658, 23426, 24206, 26182, 29393, 31654, 33761, 34238, 44149, 49343, 58786, 67522, 81991, 88298, 91637, 98686, 119833, 163982, 183274, 205751, 222547, 239666, 411502, 445094, 573937, 641459, 838831, 1147874, 1282918, 1557829, 1677662, 3115658, 10904803, 21809606]

約数ペア:

[(1, 21809606), (2, 10904803), (7, 3115658), (13, 1677662), (14, 1557829), (17, 1282918), (19, 1147874), (26, 838831), (34, 641459), (38, 573937), (49, 445094), (53, 411502), (91, 239666), (98, 222547), (106, 205751), (119, 183274), (133, 163982), (182, 119833), (221, 98686), (238, 91637), (247, 88298), (266, 81991), (323, 67522), (371, 58786), (442, 49343), (494, 44149), (637, 34238), (646, 33761), (689, 31654), (742, 29393), (833, 26182), (901, 24206), (931, 23426), (1007, 21658), (1274, 17119), (1378, 15827), (1547, 14098), (1666, 13091), (1729, 12614), (1802, 12103), (1862, 11713), (2014, 10829), (2261, 9646), (2597, 8398), (3094, 7049), (3458, 6307), (4199, 5194), (4522, 4823)]