21448713

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{173}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 35896896

約数和(自身を除く): 14448183

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 143, 173, 187, 221, 289, 429, 519, 561, 663, 867, 1903, 2249, 2431, 2941, 3179, 3757, 5709, 6747, 7293, 8823, 9537, 11271, 24739, 32351, 38233, 41327, 49997, 74217, 97053, 114699, 123981, 149991, 420563, 549967, 649961, 1261689, 1649901, 1949883, 7149571, 21448713]

約数ペア:

[(1, 21448713), (3, 7149571), (11, 1949883), (13, 1649901), (17, 1261689), (33, 649961), (39, 549967), (51, 420563), (143, 149991), (173, 123981), (187, 114699), (221, 97053), (289, 74217), (429, 49997), (519, 41327), (561, 38233), (663, 32351), (867, 24739), (1903, 11271), (2249, 9537), (2431, 8823), (2941, 7293), (3179, 6747), (3757, 5709)]