21361802

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 43075584

約数和(自身を除く): 21713782

約数列:

[1, 2, 7, 11, 14, 22, 23, 37, 46, 74, 77, 154, 161, 163, 253, 259, 322, 326, 407, 506, 518, 814, 851, 1141, 1702, 1771, 1793, 2282, 2849, 3542, 3586, 3749, 5698, 5957, 6031, 7498, 9361, 11914, 12062, 12551, 18722, 25102, 26243, 41239, 42217, 52486, 65527, 66341, 82478, 84434, 131054, 132682, 138713, 277426, 288673, 464387, 577346, 928774, 970991, 1525843, 1941982, 3051686, 10680901, 21361802]

約数ペア:

[(1, 21361802), (2, 10680901), (7, 3051686), (11, 1941982), (14, 1525843), (22, 970991), (23, 928774), (37, 577346), (46, 464387), (74, 288673), (77, 277426), (154, 138713), (161, 132682), (163, 131054), (253, 84434), (259, 82478), (322, 66341), (326, 65527), (407, 52486), (506, 42217), (518, 41239), (814, 26243), (851, 25102), (1141, 18722), (1702, 12551), (1771, 12062), (1793, 11914), (2282, 9361), (2849, 7498), (3542, 6031), (3586, 5957), (3749, 5698)]