21371569398

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{492047}}^1$

素因数の和:492201

約数の個数: 48

約数和(自身を含む): 49126072320

約数和(自身を除く): 27754502922

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 127, 171, 254, 342, 381, 762, 1143, 2286, 2413, 4826, 7239, 14478, 21717, 43434, 492047, 984094, 1476141, 2952282, 4428423, 8856846, 9348893, 18697786, 28046679, 56093358, 62489969, 84140037, 124979938, 168280074, 187469907, 374939814, 562409721, 1124819442, 1187309411, 2374618822, 3561928233, 7123856466, 10685784699, 21371569398]

約数ペア:

[(1, 21371569398), (2, 10685784699), (3, 7123856466), (6, 3561928233), (9, 2374618822), (18, 1187309411), (19, 1124819442), (38, 562409721), (57, 374939814), (114, 187469907), (127, 168280074), (171, 124979938), (254, 84140037), (342, 62489969), (381, 56093358), (762, 28046679), (1143, 18697786), (2286, 9348893), (2413, 8856846), (4826, 4428423), (7239, 2952282), (14478, 1476141), (21717, 984094), (43434, 492047)]