21092288

素因数分解:

$2^6\times 7^1\times {\mathrm{23}}^2\times {\mathrm{89}}^1$

素因数の和:154

約数の個数: 84

約数和(自身を含む): 50566320

約数和(自身を除く): 29474032

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 89, 92, 112, 161, 178, 184, 224, 322, 356, 368, 448, 529, 623, 644, 712, 736, 1058, 1246, 1288, 1424, 1472, 2047, 2116, 2492, 2576, 2848, 3703, 4094, 4232, 4984, 5152, 5696, 7406, 8188, 8464, 9968, 10304, 14329, 14812, 16376, 16928, 19936, 28658, 29624, 32752, 33856, 39872, 47081, 57316, 59248, 65504, 94162, 114632, 118496, 131008, 188324, 229264, 236992, 329567, 376648, 458528, 659134, 753296, 917056, 1318268, 1506592, 2636536, 3013184, 5273072, 10546144, 21092288]

約数ペア:

[(1, 21092288), (2, 10546144), (4, 5273072), (7, 3013184), (8, 2636536), (14, 1506592), (16, 1318268), (23, 917056), (28, 753296), (32, 659134), (46, 458528), (56, 376648), (64, 329567), (89, 236992), (92, 229264), (112, 188324), (161, 131008), (178, 118496), (184, 114632), (224, 94162), (322, 65504), (356, 59248), (368, 57316), (448, 47081), (529, 39872), (623, 33856), (644, 32752), (712, 29624), (736, 28658), (1058, 19936), (1246, 16928), (1288, 16376), (1424, 14812), (1472, 14329), (2047, 10304), (2116, 9968), (2492, 8464), (2576, 8188), (2848, 7406), (3703, 5696), (4094, 5152), (4232, 4984)]