21326640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{88861}}^1$

素因数の和:88877

約数の個数: 40

約数和(自身を含む): 66113328

約数和(自身を除く): 44786688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 88861, 177722, 266583, 355444, 444305, 533166, 710888, 888610, 1066332, 1332915, 1421776, 1777220, 2132664, 2665830, 3554440, 4265328, 5331660, 7108880, 10663320, 21326640]

約数ペア:

[(1, 21326640), (2, 10663320), (3, 7108880), (4, 5331660), (5, 4265328), (6, 3554440), (8, 2665830), (10, 2132664), (12, 1777220), (15, 1421776), (16, 1332915), (20, 1066332), (24, 888610), (30, 710888), (40, 533166), (48, 444305), (60, 355444), (80, 266583), (120, 177722), (240, 88861)]