21529129912

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1\times {\mathrm{1637}}^1$

素因数の和:2120

約数の個数: 64

約数和(自身を含む): 41895191520

約数和(自身を除く): 20366061608

約数列:

[1, 2, 4, 8, 37, 74, 148, 157, 283, 296, 314, 566, 628, 1132, 1256, 1637, 2264, 3274, 5809, 6548, 10471, 11618, 13096, 20942, 23236, 41884, 44431, 46472, 60569, 83768, 88862, 121138, 177724, 242276, 257009, 355448, 463271, 484552, 514018, 926542, 1028036, 1643947, 1853084, 2056072, 3287894, 3706168, 6575788, 9509333, 13151576, 17141027, 19018666, 34282054, 38037332, 68564108, 72733547, 76074664, 137128216, 145467094, 290934188, 581868376, 2691141239, 5382282478, 10764564956, 21529129912]

約数ペア:

[(1, 21529129912), (2, 10764564956), (4, 5382282478), (8, 2691141239), (37, 581868376), (74, 290934188), (148, 145467094), (157, 137128216), (283, 76074664), (296, 72733547), (314, 68564108), (566, 38037332), (628, 34282054), (1132, 19018666), (1256, 17141027), (1637, 13151576), (2264, 9509333), (3274, 6575788), (5809, 3706168), (6548, 3287894), (10471, 2056072), (11618, 1853084), (13096, 1643947), (20942, 1028036), (23236, 926542), (41884, 514018), (44431, 484552), (46472, 463271), (60569, 355448), (83768, 257009), (88862, 242276), (121138, 177724)]