21093280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10141}}^1$

素因数の和:10169

約数の個数: 48

約数和(自身を含む): 53671464

約数和(自身を除く): 32578184

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 10141, 20282, 40564, 50705, 81128, 101410, 131833, 162256, 202820, 263666, 324512, 405640, 527332, 659165, 811280, 1054664, 1318330, 1622560, 2109328, 2636660, 4218656, 5273320, 10546640, 21093280]

約数ペア:

[(1, 21093280), (2, 10546640), (4, 5273320), (5, 4218656), (8, 2636660), (10, 2109328), (13, 1622560), (16, 1318330), (20, 1054664), (26, 811280), (32, 659165), (40, 527332), (52, 405640), (65, 324512), (80, 263666), (104, 202820), (130, 162256), (160, 131833), (208, 101410), (260, 81128), (416, 50705), (520, 40564), (1040, 20282), (2080, 10141)]