21954144

素因数分解:

$2^5\times 3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:260

約数の個数: 96

約数和(自身を含む): 61496064

約数和(自身を除く): 39541920

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 61, 69, 92, 96, 122, 138, 163, 183, 184, 244, 276, 326, 366, 368, 488, 489, 552, 652, 732, 736, 976, 978, 1104, 1304, 1403, 1464, 1952, 1956, 2208, 2608, 2806, 2928, 3749, 3912, 4209, 5216, 5612, 5856, 7498, 7824, 8418, 9943, 11224, 11247, 14996, 15648, 16836, 19886, 22448, 22494, 29829, 29992, 33672, 39772, 44896, 44988, 59658, 59984, 67344, 79544, 89976, 119316, 119968, 134688, 159088, 179952, 228689, 238632, 318176, 359904, 457378, 477264, 686067, 914756, 954528, 1372134, 1829512, 2744268, 3659024, 5488536, 7318048, 10977072, 21954144]

約数ペア:

[(1, 21954144), (2, 10977072), (3, 7318048), (4, 5488536), (6, 3659024), (8, 2744268), (12, 1829512), (16, 1372134), (23, 954528), (24, 914756), (32, 686067), (46, 477264), (48, 457378), (61, 359904), (69, 318176), (92, 238632), (96, 228689), (122, 179952), (138, 159088), (163, 134688), (183, 119968), (184, 119316), (244, 89976), (276, 79544), (326, 67344), (366, 59984), (368, 59658), (488, 44988), (489, 44896), (552, 39772), (652, 33672), (732, 29992), (736, 29829), (976, 22494), (978, 22448), (1104, 19886), (1304, 16836), (1403, 15648), (1464, 14996), (1952, 11247), (1956, 11224), (2208, 9943), (2608, 8418), (2806, 7824), (2928, 7498), (3749, 5856), (3912, 5612), (4209, 5216)]