21040981696

素因数分解:

$2^6\times 7^1\times {\mathrm{137}}^1\times {\mathrm{342821}}^1$

素因数の和:342977

約数の個数: 56

約数和(自身を含む): 48066386976

約数和(自身を除く): 27025405280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 137, 224, 274, 448, 548, 959, 1096, 1918, 2192, 3836, 4384, 7672, 8768, 15344, 30688, 61376, 342821, 685642, 1371284, 2399747, 2742568, 4799494, 5485136, 9598988, 10970272, 19197976, 21940544, 38395952, 46966477, 76791904, 93932954, 153583808, 187865908, 328765339, 375731816, 657530678, 751463632, 1315061356, 1502927264, 2630122712, 3005854528, 5260245424, 10520490848, 21040981696]

約数ペア:

[(1, 21040981696), (2, 10520490848), (4, 5260245424), (7, 3005854528), (8, 2630122712), (14, 1502927264), (16, 1315061356), (28, 751463632), (32, 657530678), (56, 375731816), (64, 328765339), (112, 187865908), (137, 153583808), (224, 93932954), (274, 76791904), (448, 46966477), (548, 38395952), (959, 21940544), (1096, 19197976), (1918, 10970272), (2192, 9598988), (3836, 5485136), (4384, 4799494), (7672, 2742568), (8768, 2399747), (15344, 1371284), (30688, 685642), (61376, 342821)]