21259368

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:208

約数の個数: 128

約数和(自身を含む): 65116800

約数和(自身を除く): 43857432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 67, 72, 78, 104, 108, 113, 117, 134, 156, 201, 216, 226, 234, 268, 312, 339, 351, 402, 452, 468, 536, 603, 678, 702, 804, 871, 904, 936, 1017, 1206, 1356, 1404, 1469, 1608, 1742, 1809, 2034, 2412, 2613, 2712, 2808, 2938, 3051, 3484, 3618, 4068, 4407, 4824, 5226, 5876, 6102, 6968, 7236, 7571, 7839, 8136, 8814, 10452, 11752, 12204, 13221, 14472, 15142, 15678, 17628, 20904, 22713, 23517, 24408, 26442, 30284, 31356, 35256, 39663, 45426, 47034, 52884, 60568, 62712, 68139, 79326, 90852, 94068, 98423, 105768, 136278, 158652, 181704, 188136, 196846, 204417, 272556, 295269, 317304, 393692, 408834, 545112, 590538, 787384, 817668, 885807, 1181076, 1635336, 1771614, 2362152, 2657421, 3543228, 5314842, 7086456, 10629684, 21259368]

約数ペア:

[(1, 21259368), (2, 10629684), (3, 7086456), (4, 5314842), (6, 3543228), (8, 2657421), (9, 2362152), (12, 1771614), (13, 1635336), (18, 1181076), (24, 885807), (26, 817668), (27, 787384), (36, 590538), (39, 545112), (52, 408834), (54, 393692), (67, 317304), (72, 295269), (78, 272556), (104, 204417), (108, 196846), (113, 188136), (117, 181704), (134, 158652), (156, 136278), (201, 105768), (216, 98423), (226, 94068), (234, 90852), (268, 79326), (312, 68139), (339, 62712), (351, 60568), (402, 52884), (452, 47034), (468, 45426), (536, 39663), (603, 35256), (678, 31356), (702, 30284), (804, 26442), (871, 24408), (904, 23517), (936, 22713), (1017, 20904), (1206, 17628), (1356, 15678), (1404, 15142), (1469, 14472), (1608, 13221), (1742, 12204), (1809, 11752), (2034, 10452), (2412, 8814), (2613, 8136), (2712, 7839), (2808, 7571), (2938, 7236), (3051, 6968), (3484, 6102), (3618, 5876), (4068, 5226), (4407, 4824)]