21173194

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:283

約数の個数: 48

約数和(自身を含む): 39890880

約数和(自身を除く): 18717686

約数列:

[1, 2, 7, 14, 17, 34, 49, 71, 98, 119, 142, 179, 238, 358, 497, 833, 994, 1207, 1253, 1666, 2414, 2506, 3043, 3479, 6086, 6958, 8449, 8771, 12709, 16898, 17542, 21301, 25418, 42602, 59143, 88963, 118286, 149107, 177926, 216053, 298214, 432106, 622741, 1245482, 1512371, 3024742, 10586597, 21173194]

約数ペア:

[(1, 21173194), (2, 10586597), (7, 3024742), (14, 1512371), (17, 1245482), (34, 622741), (49, 432106), (71, 298214), (98, 216053), (119, 177926), (142, 149107), (179, 118286), (238, 88963), (358, 59143), (497, 42602), (833, 25418), (994, 21301), (1207, 17542), (1253, 16898), (1666, 12709), (2414, 8771), (2506, 8449), (3043, 6958), (3479, 6086)]