21628624

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{607}}^1$

素因数の和:763

約数の個数: 40

約数和(自身を含む): 44782848

約数和(自身を除く): 23154224

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 131, 136, 262, 272, 524, 607, 1048, 1214, 2096, 2227, 2428, 4454, 4856, 8908, 9712, 10319, 17816, 20638, 35632, 41276, 79517, 82552, 159034, 165104, 318068, 636136, 1272272, 1351789, 2703578, 5407156, 10814312, 21628624]

約数ペア:

[(1, 21628624), (2, 10814312), (4, 5407156), (8, 2703578), (16, 1351789), (17, 1272272), (34, 636136), (68, 318068), (131, 165104), (136, 159034), (262, 82552), (272, 79517), (524, 41276), (607, 35632), (1048, 20638), (1214, 17816), (2096, 10319), (2227, 9712), (2428, 8908), (4454, 4856)]