21306560

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6053}}^1$

素因数の和:6081

約数の個数: 56

約数和(自身を含む): 55357776

約数和(自身を除く): 34051216

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 6053, 12106, 24212, 30265, 48424, 60530, 66583, 96848, 121060, 133166, 193696, 242120, 266332, 332915, 387392, 484240, 532664, 665830, 968480, 1065328, 1331660, 1936960, 2130656, 2663320, 4261312, 5326640, 10653280, 21306560]

約数ペア:

[(1, 21306560), (2, 10653280), (4, 5326640), (5, 4261312), (8, 2663320), (10, 2130656), (11, 1936960), (16, 1331660), (20, 1065328), (22, 968480), (32, 665830), (40, 532664), (44, 484240), (55, 387392), (64, 332915), (80, 266332), (88, 242120), (110, 193696), (160, 133166), (176, 121060), (220, 96848), (320, 66583), (352, 60530), (440, 48424), (704, 30265), (880, 24212), (1760, 12106), (3520, 6053)]