21081632

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1$

素因数の和:322

約数の個数: 96

約数和(自身を含む): 51819264

約数和(自身を除く): 30737632

約数列:

[1, 2, 4, 8, 11, 13, 16, 17, 22, 26, 32, 34, 44, 52, 68, 88, 104, 136, 143, 176, 187, 208, 221, 271, 272, 286, 352, 374, 416, 442, 542, 544, 572, 748, 884, 1084, 1144, 1496, 1768, 2168, 2288, 2431, 2981, 2992, 3523, 3536, 4336, 4576, 4607, 4862, 5962, 5984, 7046, 7072, 8672, 9214, 9724, 11924, 14092, 18428, 19448, 23848, 28184, 36856, 38753, 38896, 47696, 50677, 56368, 59891, 73712, 77506, 77792, 95392, 101354, 112736, 119782, 147424, 155012, 202708, 239564, 310024, 405416, 479128, 620048, 658801, 810832, 958256, 1240096, 1317602, 1621664, 1916512, 2635204, 5270408, 10540816, 21081632]

約数ペア:

[(1, 21081632), (2, 10540816), (4, 5270408), (8, 2635204), (11, 1916512), (13, 1621664), (16, 1317602), (17, 1240096), (22, 958256), (26, 810832), (32, 658801), (34, 620048), (44, 479128), (52, 405416), (68, 310024), (88, 239564), (104, 202708), (136, 155012), (143, 147424), (176, 119782), (187, 112736), (208, 101354), (221, 95392), (271, 77792), (272, 77506), (286, 73712), (352, 59891), (374, 56368), (416, 50677), (442, 47696), (542, 38896), (544, 38753), (572, 36856), (748, 28184), (884, 23848), (1084, 19448), (1144, 18428), (1496, 14092), (1768, 11924), (2168, 9724), (2288, 9214), (2431, 8672), (2981, 7072), (2992, 7046), (3523, 5984), (3536, 5962), (4336, 4862), (4576, 4607)]