21249792

素因数分解:

$2^8\times 3^2\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:446

約数の個数: 108

約数和(自身を含む): 64091664

約数和(自身を除く): 42841872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 64, 69, 72, 92, 96, 128, 138, 144, 184, 192, 207, 256, 276, 288, 368, 384, 401, 414, 552, 576, 736, 768, 802, 828, 1104, 1152, 1203, 1472, 1604, 1656, 2208, 2304, 2406, 2944, 3208, 3312, 3609, 4416, 4812, 5888, 6416, 6624, 7218, 8832, 9223, 9624, 12832, 13248, 14436, 17664, 18446, 19248, 25664, 26496, 27669, 28872, 36892, 38496, 51328, 52992, 55338, 57744, 73784, 76992, 83007, 102656, 110676, 115488, 147568, 153984, 166014, 221352, 230976, 295136, 307968, 332028, 442704, 461952, 590272, 664056, 885408, 923904, 1180544, 1328112, 1770816, 2361088, 2656224, 3541632, 5312448, 7083264, 10624896, 21249792]

約数ペア:

[(1, 21249792), (2, 10624896), (3, 7083264), (4, 5312448), (6, 3541632), (8, 2656224), (9, 2361088), (12, 1770816), (16, 1328112), (18, 1180544), (23, 923904), (24, 885408), (32, 664056), (36, 590272), (46, 461952), (48, 442704), (64, 332028), (69, 307968), (72, 295136), (92, 230976), (96, 221352), (128, 166014), (138, 153984), (144, 147568), (184, 115488), (192, 110676), (207, 102656), (256, 83007), (276, 76992), (288, 73784), (368, 57744), (384, 55338), (401, 52992), (414, 51328), (552, 38496), (576, 36892), (736, 28872), (768, 27669), (802, 26496), (828, 25664), (1104, 19248), (1152, 18446), (1203, 17664), (1472, 14436), (1604, 13248), (1656, 12832), (2208, 9624), (2304, 9223), (2406, 8832), (2944, 7218), (3208, 6624), (3312, 6416), (3609, 5888), (4416, 4812)]