21418645612

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{146011}}^1$

素因数の和:146079

約数の個数: 72

約数和(自身を含む): 47882591232

約数和(自身を除く): 26463945620

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 169, 182, 217, 338, 364, 403, 434, 676, 806, 868, 1183, 1612, 2366, 2821, 4732, 5239, 5642, 10478, 11284, 20956, 36673, 73346, 146011, 146692, 292022, 584044, 1022077, 1898143, 2044154, 3796286, 4088308, 4526341, 7592572, 9052682, 13287001, 18105364, 24675859, 26574002, 31684387, 49351718, 53148004, 58842433, 63368774, 98703436, 117684866, 126737548, 172731013, 235369732, 345462026, 411897031, 690924052, 764951629, 823794062, 1529903258, 1647588124, 3059806516, 5354661403, 10709322806, 21418645612]

約数ペア:

[(1, 21418645612), (2, 10709322806), (4, 5354661403), (7, 3059806516), (13, 1647588124), (14, 1529903258), (26, 823794062), (28, 764951629), (31, 690924052), (52, 411897031), (62, 345462026), (91, 235369732), (124, 172731013), (169, 126737548), (182, 117684866), (217, 98703436), (338, 63368774), (364, 58842433), (403, 53148004), (434, 49351718), (676, 31684387), (806, 26574002), (868, 24675859), (1183, 18105364), (1612, 13287001), (2366, 9052682), (2821, 7592572), (4732, 4526341), (5239, 4088308), (5642, 3796286), (10478, 2044154), (11284, 1898143), (20956, 1022077), (36673, 584044), (73346, 292022), (146011, 146692)]