21130074

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{23957}}^1$

素因数の和:23979

約数の個数: 36

約数和(自身を含む): 53258634

約数和(自身を除く): 32128560

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 23957, 47914, 71871, 143742, 167699, 215613, 335398, 431226, 503097, 1006194, 1173893, 1509291, 2347786, 3018582, 3521679, 7043358, 10565037, 21130074]

約数ペア:

[(1, 21130074), (2, 10565037), (3, 7043358), (6, 3521679), (7, 3018582), (9, 2347786), (14, 1509291), (18, 1173893), (21, 1006194), (42, 503097), (49, 431226), (63, 335398), (98, 215613), (126, 167699), (147, 143742), (294, 71871), (441, 47914), (882, 23957)]