21167349176

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1\times {\mathrm{877}}^1$

素因数の和:1392

約数の個数: 64

約数和(自身を含む): 40679496000

約数和(自身を除く): 19512146824

約数列:

[1, 2, 4, 8, 89, 109, 178, 218, 311, 356, 436, 622, 712, 872, 877, 1244, 1754, 2488, 3508, 7016, 9701, 19402, 27679, 33899, 38804, 55358, 67798, 77608, 78053, 95593, 110716, 135596, 156106, 191186, 221432, 271192, 272747, 312212, 382372, 545494, 624424, 764744, 1090988, 2181976, 3017011, 6034022, 8507777, 12068044, 17015554, 24136088, 24274483, 29729423, 34031108, 48548966, 59458846, 68062216, 97097932, 118917692, 194195864, 237835384, 2645918647, 5291837294, 10583674588, 21167349176]

約数ペア:

[(1, 21167349176), (2, 10583674588), (4, 5291837294), (8, 2645918647), (89, 237835384), (109, 194195864), (178, 118917692), (218, 97097932), (311, 68062216), (356, 59458846), (436, 48548966), (622, 34031108), (712, 29729423), (872, 24274483), (877, 24136088), (1244, 17015554), (1754, 12068044), (2488, 8507777), (3508, 6034022), (7016, 3017011), (9701, 2181976), (19402, 1090988), (27679, 764744), (33899, 624424), (38804, 545494), (55358, 382372), (67798, 312212), (77608, 272747), (78053, 271192), (95593, 221432), (110716, 191186), (135596, 156106)]