21590928

素因数分解:

$2^4\times 3^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:134

約数の個数: 160

約数和(自身を含む): 67495680

約数和(自身を除く): 45904752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 36, 41, 46, 48, 53, 54, 69, 72, 82, 92, 106, 108, 123, 138, 144, 159, 164, 184, 207, 212, 216, 246, 276, 318, 328, 368, 369, 414, 424, 432, 477, 492, 552, 621, 636, 656, 738, 828, 848, 943, 954, 984, 1104, 1107, 1219, 1242, 1272, 1431, 1476, 1656, 1886, 1908, 1968, 2173, 2214, 2438, 2484, 2544, 2829, 2862, 2952, 3312, 3657, 3772, 3816, 4346, 4428, 4876, 4968, 5658, 5724, 5904, 6519, 7314, 7544, 7632, 8487, 8692, 8856, 9752, 9936, 10971, 11316, 11448, 13038, 14628, 15088, 16974, 17384, 17712, 19504, 19557, 21942, 22632, 22896, 25461, 26076, 29256, 32913, 33948, 34768, 39114, 43884, 45264, 49979, 50922, 52152, 58512, 58671, 65826, 67896, 78228, 87768, 99958, 101844, 104304, 117342, 131652, 135792, 149937, 156456, 175536, 199916, 203688, 234684, 263304, 299874, 312912, 399832, 407376, 449811, 469368, 526608, 599748, 799664, 899622, 938736, 1199496, 1349433, 1799244, 2398992, 2698866, 3598488, 5397732, 7196976, 10795464, 21590928]

約数ペア:

[(1, 21590928), (2, 10795464), (3, 7196976), (4, 5397732), (6, 3598488), (8, 2698866), (9, 2398992), (12, 1799244), (16, 1349433), (18, 1199496), (23, 938736), (24, 899622), (27, 799664), (36, 599748), (41, 526608), (46, 469368), (48, 449811), (53, 407376), (54, 399832), (69, 312912), (72, 299874), (82, 263304), (92, 234684), (106, 203688), (108, 199916), (123, 175536), (138, 156456), (144, 149937), (159, 135792), (164, 131652), (184, 117342), (207, 104304), (212, 101844), (216, 99958), (246, 87768), (276, 78228), (318, 67896), (328, 65826), (368, 58671), (369, 58512), (414, 52152), (424, 50922), (432, 49979), (477, 45264), (492, 43884), (552, 39114), (621, 34768), (636, 33948), (656, 32913), (738, 29256), (828, 26076), (848, 25461), (943, 22896), (954, 22632), (984, 21942), (1104, 19557), (1107, 19504), (1219, 17712), (1242, 17384), (1272, 16974), (1431, 15088), (1476, 14628), (1656, 13038), (1886, 11448), (1908, 11316), (1968, 10971), (2173, 9936), (2214, 9752), (2438, 8856), (2484, 8692), (2544, 8487), (2829, 7632), (2862, 7544), (2952, 7314), (3312, 6519), (3657, 5904), (3772, 5724), (3816, 5658), (4346, 4968), (4428, 4876)]