21585408

素因数分解:

$2^9\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:104

約数の個数: 160

約数和(自身を含む): 65995776

約数和(自身を除く): 44410368

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 32, 39, 46, 47, 48, 52, 64, 69, 78, 92, 94, 96, 104, 128, 138, 141, 156, 184, 188, 192, 208, 256, 276, 282, 299, 312, 368, 376, 384, 416, 512, 552, 564, 598, 611, 624, 736, 752, 768, 832, 897, 1081, 1104, 1128, 1196, 1222, 1248, 1472, 1504, 1536, 1664, 1794, 1833, 2162, 2208, 2256, 2392, 2444, 2496, 2944, 3008, 3243, 3328, 3588, 3666, 4324, 4416, 4512, 4784, 4888, 4992, 5888, 6016, 6486, 6656, 7176, 7332, 8648, 8832, 9024, 9568, 9776, 9984, 11776, 12032, 12972, 14053, 14352, 14664, 17296, 17664, 18048, 19136, 19552, 19968, 24064, 25944, 28106, 28704, 29328, 34592, 35328, 36096, 38272, 39104, 42159, 51888, 56212, 57408, 58656, 69184, 72192, 76544, 78208, 84318, 103776, 112424, 114816, 117312, 138368, 153088, 156416, 168636, 207552, 224848, 229632, 234624, 276736, 312832, 337272, 415104, 449696, 459264, 469248, 553472, 674544, 830208, 899392, 938496, 1349088, 1660416, 1798784, 2698176, 3597568, 5396352, 7195136, 10792704, 21585408]

約数ペア:

[(1, 21585408), (2, 10792704), (3, 7195136), (4, 5396352), (6, 3597568), (8, 2698176), (12, 1798784), (13, 1660416), (16, 1349088), (23, 938496), (24, 899392), (26, 830208), (32, 674544), (39, 553472), (46, 469248), (47, 459264), (48, 449696), (52, 415104), (64, 337272), (69, 312832), (78, 276736), (92, 234624), (94, 229632), (96, 224848), (104, 207552), (128, 168636), (138, 156416), (141, 153088), (156, 138368), (184, 117312), (188, 114816), (192, 112424), (208, 103776), (256, 84318), (276, 78208), (282, 76544), (299, 72192), (312, 69184), (368, 58656), (376, 57408), (384, 56212), (416, 51888), (512, 42159), (552, 39104), (564, 38272), (598, 36096), (611, 35328), (624, 34592), (736, 29328), (752, 28704), (768, 28106), (832, 25944), (897, 24064), (1081, 19968), (1104, 19552), (1128, 19136), (1196, 18048), (1222, 17664), (1248, 17296), (1472, 14664), (1504, 14352), (1536, 14053), (1664, 12972), (1794, 12032), (1833, 11776), (2162, 9984), (2208, 9776), (2256, 9568), (2392, 9024), (2444, 8832), (2496, 8648), (2944, 7332), (3008, 7176), (3243, 6656), (3328, 6486), (3588, 6016), (3666, 5888), (4324, 4992), (4416, 4888), (4512, 4784)]