21387024

素因数分解:

$2^4\times 3^3\times {\mathrm{31}}^1\times {\mathrm{1597}}^1$

素因数の和:1645

約数の個数: 80

約数和(自身を含む): 63408640

約数和(自身を除く): 42021616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 48, 54, 62, 72, 93, 108, 124, 144, 186, 216, 248, 279, 372, 432, 496, 558, 744, 837, 1116, 1488, 1597, 1674, 2232, 3194, 3348, 4464, 4791, 6388, 6696, 9582, 12776, 13392, 14373, 19164, 25552, 28746, 38328, 43119, 49507, 57492, 76656, 86238, 99014, 114984, 148521, 172476, 198028, 229968, 297042, 344952, 396056, 445563, 594084, 689904, 792112, 891126, 1188168, 1336689, 1782252, 2376336, 2673378, 3564504, 5346756, 7129008, 10693512, 21387024]

約数ペア:

[(1, 21387024), (2, 10693512), (3, 7129008), (4, 5346756), (6, 3564504), (8, 2673378), (9, 2376336), (12, 1782252), (16, 1336689), (18, 1188168), (24, 891126), (27, 792112), (31, 689904), (36, 594084), (48, 445563), (54, 396056), (62, 344952), (72, 297042), (93, 229968), (108, 198028), (124, 172476), (144, 148521), (186, 114984), (216, 99014), (248, 86238), (279, 76656), (372, 57492), (432, 49507), (496, 43119), (558, 38328), (744, 28746), (837, 25552), (1116, 19164), (1488, 14373), (1597, 13392), (1674, 12776), (2232, 9582), (3194, 6696), (3348, 6388), (4464, 4791)]