21335007410

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1\times {\mathrm{359}}^1$

素因数の和:971

約数の個数: 64

約数和(自身を含む): 39230231040

約数和(自身を除く): 17895223630

約数列:

[1, 2, 5, 10, 97, 194, 197, 311, 359, 394, 485, 622, 718, 970, 985, 1555, 1795, 1970, 3110, 3590, 19109, 30167, 34823, 38218, 60334, 61267, 69646, 70723, 95545, 111649, 122534, 141446, 150835, 174115, 191090, 223298, 301670, 306335, 348230, 353615, 558245, 612670, 707230, 1116490, 5942899, 6860131, 10829953, 11885798, 13720262, 21659906, 21994853, 29714495, 34300655, 43989706, 54149765, 59428990, 68601310, 108299530, 109974265, 219948530, 2133500741, 4267001482, 10667503705, 21335007410]

約数ペア:

[(1, 21335007410), (2, 10667503705), (5, 4267001482), (10, 2133500741), (97, 219948530), (194, 109974265), (197, 108299530), (311, 68601310), (359, 59428990), (394, 54149765), (485, 43989706), (622, 34300655), (718, 29714495), (970, 21994853), (985, 21659906), (1555, 13720262), (1795, 11885798), (1970, 10829953), (3110, 6860131), (3590, 5942899), (19109, 1116490), (30167, 707230), (34823, 612670), (38218, 558245), (60334, 353615), (61267, 348230), (69646, 306335), (70723, 301670), (95545, 223298), (111649, 191090), (122534, 174115), (141446, 150835)]