21780402

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{3221}}^1$

素因数の和:3263

約数の個数: 48

約数和(自身を含む): 52892352

約数和(自身を除く): 31111950

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 49, 69, 98, 138, 147, 161, 294, 322, 483, 966, 1127, 2254, 3221, 3381, 6442, 6762, 9663, 19326, 22547, 45094, 67641, 74083, 135282, 148166, 157829, 222249, 315658, 444498, 473487, 518581, 946974, 1037162, 1555743, 3111486, 3630067, 7260134, 10890201, 21780402]

約数ペア:

[(1, 21780402), (2, 10890201), (3, 7260134), (6, 3630067), (7, 3111486), (14, 1555743), (21, 1037162), (23, 946974), (42, 518581), (46, 473487), (49, 444498), (69, 315658), (98, 222249), (138, 157829), (147, 148166), (161, 135282), (294, 74083), (322, 67641), (483, 45094), (966, 22547), (1127, 19326), (2254, 9663), (3221, 6762), (3381, 6442)]