21163584

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:228

約数の個数: 112

約数和(自身を含む): 61732160

約数和(自身を除く): 40568576

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 61, 64, 78, 96, 104, 122, 139, 156, 183, 192, 208, 244, 278, 312, 366, 416, 417, 488, 556, 624, 732, 793, 832, 834, 976, 1112, 1248, 1464, 1586, 1668, 1807, 1952, 2224, 2379, 2496, 2928, 3172, 3336, 3614, 3904, 4448, 4758, 5421, 5856, 6344, 6672, 7228, 8479, 8896, 9516, 10842, 11712, 12688, 13344, 14456, 16958, 19032, 21684, 25376, 25437, 26688, 28912, 33916, 38064, 43368, 50752, 50874, 57824, 67832, 76128, 86736, 101748, 110227, 115648, 135664, 152256, 173472, 203496, 220454, 271328, 330681, 346944, 406992, 440908, 542656, 661362, 813984, 881816, 1322724, 1627968, 1763632, 2645448, 3527264, 5290896, 7054528, 10581792, 21163584]

約数ペア:

[(1, 21163584), (2, 10581792), (3, 7054528), (4, 5290896), (6, 3527264), (8, 2645448), (12, 1763632), (13, 1627968), (16, 1322724), (24, 881816), (26, 813984), (32, 661362), (39, 542656), (48, 440908), (52, 406992), (61, 346944), (64, 330681), (78, 271328), (96, 220454), (104, 203496), (122, 173472), (139, 152256), (156, 135664), (183, 115648), (192, 110227), (208, 101748), (244, 86736), (278, 76128), (312, 67832), (366, 57824), (416, 50874), (417, 50752), (488, 43368), (556, 38064), (624, 33916), (732, 28912), (793, 26688), (832, 25437), (834, 25376), (976, 21684), (1112, 19032), (1248, 16958), (1464, 14456), (1586, 13344), (1668, 12688), (1807, 11712), (1952, 10842), (2224, 9516), (2379, 8896), (2496, 8479), (2928, 7228), (3172, 6672), (3336, 6344), (3614, 5856), (3904, 5421), (4448, 4758)]