21499158

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1877}}^1$

素因数の和:1988

約数の個数: 32

約数和(自身を含む): 45432576

約数和(自身を除く): 23933418

約数列:

[1, 2, 3, 6, 23, 46, 69, 83, 138, 166, 249, 498, 1877, 1909, 3754, 3818, 5631, 5727, 11262, 11454, 43171, 86342, 129513, 155791, 259026, 311582, 467373, 934746, 3583193, 7166386, 10749579, 21499158]

約数ペア:

[(1, 21499158), (2, 10749579), (3, 7166386), (6, 3583193), (23, 934746), (46, 467373), (69, 311582), (83, 259026), (138, 155791), (166, 129513), (249, 86342), (498, 43171), (1877, 11454), (1909, 11262), (3754, 5727), (3818, 5631)]