21368019362

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1\times {\mathrm{367}}^1$

素因数の和:751

約数の個数: 64

約数和(自身を含む): 34769817600

約数和(自身を除く): 13401798238

約数列:

[1, 2, 19, 38, 73, 139, 146, 151, 278, 302, 367, 734, 1387, 2641, 2774, 2869, 5282, 5738, 6973, 10147, 11023, 13946, 20294, 20989, 22046, 26791, 41978, 51013, 53582, 55417, 102026, 110834, 192793, 209437, 385586, 398791, 418874, 509029, 797582, 969247, 1018058, 1052923, 1532197, 1938494, 2105846, 3064394, 3723949, 4045441, 7447898, 7702963, 8090882, 15405926, 29111743, 58223486, 70755031, 76863379, 141510062, 146356297, 153726758, 292712594, 562316299, 1124632598, 10684009681, 21368019362]

約数ペア:

[(1, 21368019362), (2, 10684009681), (19, 1124632598), (38, 562316299), (73, 292712594), (139, 153726758), (146, 146356297), (151, 141510062), (278, 76863379), (302, 70755031), (367, 58223486), (734, 29111743), (1387, 15405926), (2641, 8090882), (2774, 7702963), (2869, 7447898), (5282, 4045441), (5738, 3723949), (6973, 3064394), (10147, 2105846), (11023, 1938494), (13946, 1532197), (20294, 1052923), (20989, 1018058), (22046, 969247), (26791, 797582), (41978, 509029), (51013, 418874), (53582, 398791), (55417, 385586), (102026, 209437), (110834, 192793)]