21173568

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{499}}^1$

素因数の和:544

約数の個数: 112

約数和(自身を含む): 64008000

約数和(自身を除く): 42834432

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 32, 34, 39, 48, 51, 52, 64, 68, 78, 96, 102, 104, 136, 156, 192, 204, 208, 221, 272, 312, 408, 416, 442, 499, 544, 624, 663, 816, 832, 884, 998, 1088, 1248, 1326, 1497, 1632, 1768, 1996, 2496, 2652, 2994, 3264, 3536, 3992, 5304, 5988, 6487, 7072, 7984, 8483, 10608, 11976, 12974, 14144, 15968, 16966, 19461, 21216, 23952, 25449, 25948, 31936, 33932, 38922, 42432, 47904, 50898, 51896, 67864, 77844, 95808, 101796, 103792, 110279, 135728, 155688, 203592, 207584, 220558, 271456, 311376, 330837, 407184, 415168, 441116, 542912, 622752, 661674, 814368, 882232, 1245504, 1323348, 1628736, 1764464, 2646696, 3528928, 5293392, 7057856, 10586784, 21173568]

約数ペア:

[(1, 21173568), (2, 10586784), (3, 7057856), (4, 5293392), (6, 3528928), (8, 2646696), (12, 1764464), (13, 1628736), (16, 1323348), (17, 1245504), (24, 882232), (26, 814368), (32, 661674), (34, 622752), (39, 542912), (48, 441116), (51, 415168), (52, 407184), (64, 330837), (68, 311376), (78, 271456), (96, 220558), (102, 207584), (104, 203592), (136, 155688), (156, 135728), (192, 110279), (204, 103792), (208, 101796), (221, 95808), (272, 77844), (312, 67864), (408, 51896), (416, 50898), (442, 47904), (499, 42432), (544, 38922), (624, 33932), (663, 31936), (816, 25948), (832, 25449), (884, 23952), (998, 21216), (1088, 19461), (1248, 16966), (1326, 15968), (1497, 14144), (1632, 12974), (1768, 11976), (1996, 10608), (2496, 8483), (2652, 7984), (2994, 7072), (3264, 6487), (3536, 5988), (3992, 5304)]