21015176

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28867}}^1$

素因数の和:28893

約数の個数: 32

約数和(自身を含む): 48498240

約数和(自身を除く): 27483064

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 28867, 57734, 115468, 202069, 230936, 375271, 404138, 750542, 808276, 1501084, 1616552, 2626897, 3002168, 5253794, 10507588, 21015176]

約数ペア:

[(1, 21015176), (2, 10507588), (4, 5253794), (7, 3002168), (8, 2626897), (13, 1616552), (14, 1501084), (26, 808276), (28, 750542), (52, 404138), (56, 375271), (91, 230936), (104, 202069), (182, 115468), (364, 57734), (728, 28867)]