21553291264

素因数分解:

$2^{13}\times {\mathrm{83}}^1\times {\mathrm{31699}}^1$

素因数の和:31808

約数の個数: 56

約数和(自身を含む): 43624652400

約数和(自身を除く): 22071361136

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 128, 166, 256, 332, 512, 664, 1024, 1328, 2048, 2656, 4096, 5312, 8192, 10624, 21248, 31699, 42496, 63398, 84992, 126796, 169984, 253592, 339968, 507184, 679936, 1014368, 2028736, 2631017, 4057472, 5262034, 8114944, 10524068, 16229888, 21048136, 32459776, 42096272, 64919552, 84192544, 129839104, 168385088, 259678208, 336770176, 673540352, 1347080704, 2694161408, 5388322816, 10776645632, 21553291264]

約数ペア:

[(1, 21553291264), (2, 10776645632), (4, 5388322816), (8, 2694161408), (16, 1347080704), (32, 673540352), (64, 336770176), (83, 259678208), (128, 168385088), (166, 129839104), (256, 84192544), (332, 64919552), (512, 42096272), (664, 32459776), (1024, 21048136), (1328, 16229888), (2048, 10524068), (2656, 8114944), (4096, 5262034), (5312, 4057472), (8192, 2631017), (10624, 2028736), (21248, 1014368), (31699, 679936), (42496, 507184), (63398, 339968), (84992, 253592), (126796, 169984)]