21947856

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{787}}^1$

素因数の和:888

約数の個数: 80

約数和(自身を含む): 65662464

約数和(自身を除く): 43714608

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 83, 84, 112, 166, 168, 249, 332, 336, 498, 581, 664, 787, 996, 1162, 1328, 1574, 1743, 1992, 2324, 2361, 3148, 3486, 3984, 4648, 4722, 5509, 6296, 6972, 9296, 9444, 11018, 12592, 13944, 16527, 18888, 22036, 27888, 33054, 37776, 44072, 65321, 66108, 88144, 130642, 132216, 195963, 261284, 264432, 391926, 457247, 522568, 783852, 914494, 1045136, 1371741, 1567704, 1828988, 2743482, 3135408, 3657976, 5486964, 7315952, 10973928, 21947856]

約数ペア:

[(1, 21947856), (2, 10973928), (3, 7315952), (4, 5486964), (6, 3657976), (7, 3135408), (8, 2743482), (12, 1828988), (14, 1567704), (16, 1371741), (21, 1045136), (24, 914494), (28, 783852), (42, 522568), (48, 457247), (56, 391926), (83, 264432), (84, 261284), (112, 195963), (166, 132216), (168, 130642), (249, 88144), (332, 66108), (336, 65321), (498, 44072), (581, 37776), (664, 33054), (787, 27888), (996, 22036), (1162, 18888), (1328, 16527), (1574, 13944), (1743, 12592), (1992, 11018), (2324, 9444), (2361, 9296), (3148, 6972), (3486, 6296), (3984, 5509), (4648, 4722)]