21450528

素因数分解:

$2^5\times 3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 192

約数和(自身を含む): 71245440

約数和(自身を除く): 49794912

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 32, 33, 36, 37, 44, 48, 54, 61, 66, 72, 74, 88, 96, 99, 108, 111, 122, 132, 144, 148, 176, 183, 198, 216, 222, 244, 264, 288, 296, 297, 333, 352, 366, 396, 407, 432, 444, 488, 528, 549, 592, 594, 666, 671, 732, 792, 814, 864, 888, 976, 999, 1056, 1098, 1184, 1188, 1221, 1332, 1342, 1464, 1584, 1628, 1647, 1776, 1952, 1998, 2013, 2196, 2257, 2376, 2442, 2664, 2684, 2928, 3168, 3256, 3294, 3552, 3663, 3996, 4026, 4392, 4514, 4752, 4884, 5328, 5368, 5856, 6039, 6512, 6588, 6771, 7326, 7992, 8052, 8784, 9028, 9504, 9768, 10656, 10736, 10989, 12078, 13024, 13176, 13542, 14652, 15984, 16104, 17568, 18056, 18117, 19536, 20313, 21472, 21978, 24156, 24827, 26352, 27084, 29304, 31968, 32208, 36112, 36234, 39072, 40626, 43956, 48312, 49654, 52704, 54168, 58608, 60939, 64416, 72224, 72468, 74481, 81252, 87912, 96624, 99308, 108336, 117216, 121878, 144936, 148962, 162504, 175824, 193248, 198616, 216672, 223443, 243756, 289872, 297924, 325008, 351648, 397232, 446886, 487512, 579744, 595848, 650016, 670329, 794464, 893772, 975024, 1191696, 1340658, 1787544, 1950048, 2383392, 2681316, 3575088, 5362632, 7150176, 10725264, 21450528]

約数ペア:

[(1, 21450528), (2, 10725264), (3, 7150176), (4, 5362632), (6, 3575088), (8, 2681316), (9, 2383392), (11, 1950048), (12, 1787544), (16, 1340658), (18, 1191696), (22, 975024), (24, 893772), (27, 794464), (32, 670329), (33, 650016), (36, 595848), (37, 579744), (44, 487512), (48, 446886), (54, 397232), (61, 351648), (66, 325008), (72, 297924), (74, 289872), (88, 243756), (96, 223443), (99, 216672), (108, 198616), (111, 193248), (122, 175824), (132, 162504), (144, 148962), (148, 144936), (176, 121878), (183, 117216), (198, 108336), (216, 99308), (222, 96624), (244, 87912), (264, 81252), (288, 74481), (296, 72468), (297, 72224), (333, 64416), (352, 60939), (366, 58608), (396, 54168), (407, 52704), (432, 49654), (444, 48312), (488, 43956), (528, 40626), (549, 39072), (592, 36234), (594, 36112), (666, 32208), (671, 31968), (732, 29304), (792, 27084), (814, 26352), (864, 24827), (888, 24156), (976, 21978), (999, 21472), (1056, 20313), (1098, 19536), (1184, 18117), (1188, 18056), (1221, 17568), (1332, 16104), (1342, 15984), (1464, 14652), (1584, 13542), (1628, 13176), (1647, 13024), (1776, 12078), (1952, 10989), (1998, 10736), (2013, 10656), (2196, 9768), (2257, 9504), (2376, 9028), (2442, 8784), (2664, 8052), (2684, 7992), (2928, 7326), (3168, 6771), (3256, 6588), (3294, 6512), (3552, 6039), (3663, 5856), (3996, 5368), (4026, 5328), (4392, 4884), (4514, 4752)]