21748304

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2161}}^1$

素因数の和:2223

約数の個数: 40

約数和(自身を含む): 45843048

約数和(自身を除く): 24094744

約数列:

[1, 2, 4, 8, 16, 17, 34, 37, 68, 74, 136, 148, 272, 296, 592, 629, 1258, 2161, 2516, 4322, 5032, 8644, 10064, 17288, 34576, 36737, 73474, 79957, 146948, 159914, 293896, 319828, 587792, 639656, 1279312, 1359269, 2718538, 5437076, 10874152, 21748304]

約数ペア:

[(1, 21748304), (2, 10874152), (4, 5437076), (8, 2718538), (16, 1359269), (17, 1279312), (34, 639656), (37, 587792), (68, 319828), (74, 293896), (136, 159914), (148, 146948), (272, 79957), (296, 73474), (592, 36737), (629, 34576), (1258, 17288), (2161, 10064), (2516, 8644), (4322, 5032)]