21242688

素因数分解:

$2^6\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:172

約数の個数: 112

約数和(自身を含む): 60082176

約数和(自身を除く): 38839488

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 43, 48, 62, 64, 83, 86, 93, 96, 124, 129, 166, 172, 186, 192, 248, 249, 258, 332, 344, 372, 496, 498, 516, 664, 688, 744, 992, 996, 1032, 1328, 1333, 1376, 1488, 1984, 1992, 2064, 2573, 2656, 2666, 2752, 2976, 3569, 3984, 3999, 4128, 5146, 5312, 5332, 5952, 7138, 7719, 7968, 7998, 8256, 10292, 10664, 10707, 14276, 15438, 15936, 15996, 20584, 21328, 21414, 28552, 30876, 31992, 41168, 42656, 42828, 57104, 61752, 63984, 82336, 85312, 85656, 110639, 114208, 123504, 127968, 164672, 171312, 221278, 228416, 247008, 255936, 331917, 342624, 442556, 494016, 663834, 685248, 885112, 1327668, 1770224, 2655336, 3540448, 5310672, 7080896, 10621344, 21242688]

約数ペア:

[(1, 21242688), (2, 10621344), (3, 7080896), (4, 5310672), (6, 3540448), (8, 2655336), (12, 1770224), (16, 1327668), (24, 885112), (31, 685248), (32, 663834), (43, 494016), (48, 442556), (62, 342624), (64, 331917), (83, 255936), (86, 247008), (93, 228416), (96, 221278), (124, 171312), (129, 164672), (166, 127968), (172, 123504), (186, 114208), (192, 110639), (248, 85656), (249, 85312), (258, 82336), (332, 63984), (344, 61752), (372, 57104), (496, 42828), (498, 42656), (516, 41168), (664, 31992), (688, 30876), (744, 28552), (992, 21414), (996, 21328), (1032, 20584), (1328, 15996), (1333, 15936), (1376, 15438), (1488, 14276), (1984, 10707), (1992, 10664), (2064, 10292), (2573, 8256), (2656, 7998), (2666, 7968), (2752, 7719), (2976, 7138), (3569, 5952), (3984, 5332), (3999, 5312), (4128, 5146)]