21369642

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:531

約数の個数: 64

約数和(自身を含む): 52377600

約数和(自身を除く): 31007958

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 61, 114, 122, 133, 183, 266, 366, 399, 427, 439, 798, 854, 878, 1159, 1281, 1317, 2318, 2562, 2634, 3073, 3477, 6146, 6954, 8113, 8341, 9219, 16226, 16682, 18438, 24339, 25023, 26779, 48678, 50046, 53558, 58387, 80337, 116774, 160674, 175161, 187453, 350322, 374906, 508801, 562359, 1017602, 1124718, 1526403, 3052806, 3561607, 7123214, 10684821, 21369642]

約数ペア:

[(1, 21369642), (2, 10684821), (3, 7123214), (6, 3561607), (7, 3052806), (14, 1526403), (19, 1124718), (21, 1017602), (38, 562359), (42, 508801), (57, 374906), (61, 350322), (114, 187453), (122, 175161), (133, 160674), (183, 116774), (266, 80337), (366, 58387), (399, 53558), (427, 50046), (439, 48678), (798, 26779), (854, 25023), (878, 24339), (1159, 18438), (1281, 16682), (1317, 16226), (2318, 9219), (2562, 8341), (2634, 8113), (3073, 6954), (3477, 6146)]