21207648

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:201

約数の個数: 192

約数和(自身を含む): 73543680

約数和(自身を除く): 52336032

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 19, 21, 22, 24, 28, 32, 33, 38, 42, 44, 48, 56, 57, 66, 76, 77, 84, 88, 96, 112, 114, 132, 133, 151, 152, 154, 168, 176, 209, 224, 228, 231, 264, 266, 302, 304, 308, 336, 352, 399, 418, 453, 456, 462, 528, 532, 604, 608, 616, 627, 672, 798, 836, 906, 912, 924, 1056, 1057, 1064, 1208, 1232, 1254, 1463, 1596, 1661, 1672, 1812, 1824, 1848, 2114, 2128, 2416, 2464, 2508, 2869, 2926, 3171, 3192, 3322, 3344, 3624, 3696, 4228, 4256, 4389, 4832, 4983, 5016, 5738, 5852, 6342, 6384, 6644, 6688, 7248, 7392, 8456, 8607, 8778, 9966, 10032, 11476, 11627, 11704, 12684, 12768, 13288, 14496, 16912, 17214, 17556, 19932, 20064, 20083, 22952, 23254, 23408, 25368, 26576, 31559, 33824, 34428, 34881, 35112, 39864, 40166, 45904, 46508, 46816, 50736, 53152, 60249, 63118, 68856, 69762, 70224, 79728, 80332, 91808, 93016, 94677, 101472, 120498, 126236, 137712, 139524, 140448, 159456, 160664, 186032, 189354, 220913, 240996, 252472, 275424, 279048, 321328, 372064, 378708, 441826, 481992, 504944, 558096, 642656, 662739, 757416, 883652, 963984, 1009888, 1116192, 1325478, 1514832, 1767304, 1927968, 2650956, 3029664, 3534608, 5301912, 7069216, 10603824, 21207648]

約数ペア:

[(1, 21207648), (2, 10603824), (3, 7069216), (4, 5301912), (6, 3534608), (7, 3029664), (8, 2650956), (11, 1927968), (12, 1767304), (14, 1514832), (16, 1325478), (19, 1116192), (21, 1009888), (22, 963984), (24, 883652), (28, 757416), (32, 662739), (33, 642656), (38, 558096), (42, 504944), (44, 481992), (48, 441826), (56, 378708), (57, 372064), (66, 321328), (76, 279048), (77, 275424), (84, 252472), (88, 240996), (96, 220913), (112, 189354), (114, 186032), (132, 160664), (133, 159456), (151, 140448), (152, 139524), (154, 137712), (168, 126236), (176, 120498), (209, 101472), (224, 94677), (228, 93016), (231, 91808), (264, 80332), (266, 79728), (302, 70224), (304, 69762), (308, 68856), (336, 63118), (352, 60249), (399, 53152), (418, 50736), (453, 46816), (456, 46508), (462, 45904), (528, 40166), (532, 39864), (604, 35112), (608, 34881), (616, 34428), (627, 33824), (672, 31559), (798, 26576), (836, 25368), (906, 23408), (912, 23254), (924, 22952), (1056, 20083), (1057, 20064), (1064, 19932), (1208, 17556), (1232, 17214), (1254, 16912), (1463, 14496), (1596, 13288), (1661, 12768), (1672, 12684), (1812, 11704), (1824, 11627), (1848, 11476), (2114, 10032), (2128, 9966), (2416, 8778), (2464, 8607), (2508, 8456), (2869, 7392), (2926, 7248), (3171, 6688), (3192, 6644), (3322, 6384), (3344, 6342), (3624, 5852), (3696, 5738), (4228, 5016), (4256, 4983), (4389, 4832)]