21536703560

素因数分解:

$2^3\times 5^1\times {\mathrm{5227}}^1\times {\mathrm{103007}}^1$

素因数の和:108245

約数の個数: 32

約数和(自身を含む): 48467324160

約数和(自身を除く): 26930620600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5227, 10454, 20908, 26135, 41816, 52270, 103007, 104540, 206014, 209080, 412028, 515035, 824056, 1030070, 2060140, 4120280, 538417589, 1076835178, 2153670356, 2692087945, 4307340712, 5384175890, 10768351780, 21536703560]

約数ペア:

[(1, 21536703560), (2, 10768351780), (4, 5384175890), (5, 4307340712), (8, 2692087945), (10, 2153670356), (20, 1076835178), (40, 538417589), (5227, 4120280), (10454, 2060140), (20908, 1030070), (26135, 824056), (41816, 515035), (52270, 412028), (103007, 209080), (104540, 206014)]