21485514208

素因数分解:

$2^5\times {\mathrm{89}}^1\times {\mathrm{919}}^1\times {\mathrm{8209}}^1$

素因数の和:9227

約数の個数: 48

約数和(自身を含む): 42826644000

約数和(自身を除く): 21341129792

約数列:

[1, 2, 4, 8, 16, 32, 89, 178, 356, 712, 919, 1424, 1838, 2848, 3676, 7352, 8209, 14704, 16418, 29408, 32836, 65672, 81791, 131344, 163582, 262688, 327164, 654328, 730601, 1308656, 1461202, 2617312, 2922404, 5844808, 7544071, 11689616, 15088142, 23379232, 30176284, 60352568, 120705136, 241410272, 671422319, 1342844638, 2685689276, 5371378552, 10742757104, 21485514208]

約数ペア:

[(1, 21485514208), (2, 10742757104), (4, 5371378552), (8, 2685689276), (16, 1342844638), (32, 671422319), (89, 241410272), (178, 120705136), (356, 60352568), (712, 30176284), (919, 23379232), (1424, 15088142), (1838, 11689616), (2848, 7544071), (3676, 5844808), (7352, 2922404), (8209, 2617312), (14704, 1461202), (16418, 1308656), (29408, 730601), (32836, 654328), (65672, 327164), (81791, 262688), (131344, 163582)]