21000742074

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^2\times {\mathrm{2301199}}^1$

素因数の和:2301236

約数の個数: 48

約数和(自身を含む): 50534352000

約数和(自身を除く): 29533609926

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 169, 234, 338, 351, 507, 702, 1014, 1521, 3042, 4563, 9126, 2301199, 4602398, 6903597, 13807194, 20710791, 29915587, 41421582, 59831174, 62132373, 89746761, 124264746, 179493522, 269240283, 388902631, 538480566, 777805262, 807720849, 1166707893, 1615441698, 2333415786, 3500123679, 7000247358, 10500371037, 21000742074]

約数ペア:

[(1, 21000742074), (2, 10500371037), (3, 7000247358), (6, 3500123679), (9, 2333415786), (13, 1615441698), (18, 1166707893), (26, 807720849), (27, 777805262), (39, 538480566), (54, 388902631), (78, 269240283), (117, 179493522), (169, 124264746), (234, 89746761), (338, 62132373), (351, 59831174), (507, 41421582), (702, 29915587), (1014, 20710791), (1521, 13807194), (3042, 6903597), (4563, 4602398), (9126, 2301199)]