21269376

素因数分解:

$2^7\times 3^2\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:556

約数の個数: 96

約数和(自身を含む): 62985000

約数和(自身を除く): 41715624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 64, 72, 74, 96, 111, 128, 144, 148, 192, 222, 288, 296, 333, 384, 444, 499, 576, 592, 666, 888, 998, 1152, 1184, 1332, 1497, 1776, 1996, 2368, 2664, 2994, 3552, 3992, 4491, 4736, 5328, 5988, 7104, 7984, 8982, 10656, 11976, 14208, 15968, 17964, 18463, 21312, 23952, 31936, 35928, 36926, 42624, 47904, 55389, 63872, 71856, 73852, 95808, 110778, 143712, 147704, 166167, 191616, 221556, 287424, 295408, 332334, 443112, 574848, 590816, 664668, 886224, 1181632, 1329336, 1772448, 2363264, 2658672, 3544896, 5317344, 7089792, 10634688, 21269376]

約数ペア:

[(1, 21269376), (2, 10634688), (3, 7089792), (4, 5317344), (6, 3544896), (8, 2658672), (9, 2363264), (12, 1772448), (16, 1329336), (18, 1181632), (24, 886224), (32, 664668), (36, 590816), (37, 574848), (48, 443112), (64, 332334), (72, 295408), (74, 287424), (96, 221556), (111, 191616), (128, 166167), (144, 147704), (148, 143712), (192, 110778), (222, 95808), (288, 73852), (296, 71856), (333, 63872), (384, 55389), (444, 47904), (499, 42624), (576, 36926), (592, 35928), (666, 31936), (888, 23952), (998, 21312), (1152, 18463), (1184, 17964), (1332, 15968), (1497, 14208), (1776, 11976), (1996, 10656), (2368, 8982), (2664, 7984), (2994, 7104), (3552, 5988), (3992, 5328), (4491, 4736)]