21509432

素因数分解:

$2^3\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1483}}^1$

素因数の和:1540

約数の個数: 48

約数和(自身を含む): 48215160

約数和(自身を除く): 26705728

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 49, 56, 74, 98, 148, 196, 259, 296, 392, 518, 1036, 1483, 1813, 2072, 2966, 3626, 5932, 7252, 10381, 11864, 14504, 20762, 41524, 54871, 72667, 83048, 109742, 145334, 219484, 290668, 384097, 438968, 581336, 768194, 1536388, 2688679, 3072776, 5377358, 10754716, 21509432]

約数ペア:

[(1, 21509432), (2, 10754716), (4, 5377358), (7, 3072776), (8, 2688679), (14, 1536388), (28, 768194), (37, 581336), (49, 438968), (56, 384097), (74, 290668), (98, 219484), (148, 145334), (196, 109742), (259, 83048), (296, 72667), (392, 54871), (518, 41524), (1036, 20762), (1483, 14504), (1813, 11864), (2072, 10381), (2966, 7252), (3626, 5932)]