21653373

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{353}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 34799616

約数和(自身を除く): 13146243

約数列:

[1, 3, 7, 21, 23, 69, 127, 161, 353, 381, 483, 889, 1059, 2471, 2667, 2921, 7413, 8119, 8763, 20447, 24357, 44831, 56833, 61341, 134493, 170499, 313817, 941451, 1031113, 3093339, 7217791, 21653373]

約数ペア:

[(1, 21653373), (3, 7217791), (7, 3093339), (21, 1031113), (23, 941451), (69, 313817), (127, 170499), (161, 134493), (353, 61341), (381, 56833), (483, 44831), (889, 24357), (1059, 20447), (2471, 8763), (2667, 8119), (2921, 7413)]