21280315936

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1474523}}^1$

素因数の和:1474585

約数の個数: 48

約数和(自身を含む): 46819086048

約数和(自身を除く): 25538770112

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 41, 44, 82, 88, 164, 176, 328, 352, 451, 656, 902, 1312, 1804, 3608, 7216, 14432, 1474523, 2949046, 5898092, 11796184, 16219753, 23592368, 32439506, 47184736, 60455443, 64879012, 120910886, 129758024, 241821772, 259516048, 483643544, 519032096, 665009873, 967287088, 1330019746, 1934574176, 2660039492, 5320078984, 10640157968, 21280315936]

約数ペア:

[(1, 21280315936), (2, 10640157968), (4, 5320078984), (8, 2660039492), (11, 1934574176), (16, 1330019746), (22, 967287088), (32, 665009873), (41, 519032096), (44, 483643544), (82, 259516048), (88, 241821772), (164, 129758024), (176, 120910886), (328, 64879012), (352, 60455443), (451, 47184736), (656, 32439506), (902, 23592368), (1312, 16219753), (1804, 11796184), (3608, 5898092), (7216, 2949046), (14432, 1474523)]