21060816

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3299}}^1$

素因数の和:3336

約数の個数: 80

約数和(自身を含む): 65472000

約数和(自身を除く): 44411184

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 48, 56, 57, 76, 84, 112, 114, 133, 152, 168, 228, 266, 304, 336, 399, 456, 532, 798, 912, 1064, 1596, 2128, 3192, 3299, 6384, 6598, 9897, 13196, 19794, 23093, 26392, 39588, 46186, 52784, 62681, 69279, 79176, 92372, 125362, 138558, 158352, 184744, 188043, 250724, 277116, 369488, 376086, 438767, 501448, 554232, 752172, 877534, 1002896, 1108464, 1316301, 1504344, 1755068, 2632602, 3008688, 3510136, 5265204, 7020272, 10530408, 21060816]

約数ペア:

[(1, 21060816), (2, 10530408), (3, 7020272), (4, 5265204), (6, 3510136), (7, 3008688), (8, 2632602), (12, 1755068), (14, 1504344), (16, 1316301), (19, 1108464), (21, 1002896), (24, 877534), (28, 752172), (38, 554232), (42, 501448), (48, 438767), (56, 376086), (57, 369488), (76, 277116), (84, 250724), (112, 188043), (114, 184744), (133, 158352), (152, 138558), (168, 125362), (228, 92372), (266, 79176), (304, 69279), (336, 62681), (399, 52784), (456, 46186), (532, 39588), (798, 26392), (912, 23093), (1064, 19794), (1596, 13196), (2128, 9897), (3192, 6598), (3299, 6384)]