21720793912

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{467}}^1\times {\mathrm{252779}}^1$

素因数の和:253275

約数の個数: 32

約数和(自身を含む): 42588374400

約数和(自身を除く): 20867580488

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 467, 934, 1868, 3736, 10741, 21482, 42964, 85928, 252779, 505558, 1011116, 2022232, 5813917, 11627834, 23255668, 46511336, 118047793, 236095586, 472191172, 944382344, 2715099239, 5430198478, 10860396956, 21720793912]

約数ペア:

[(1, 21720793912), (2, 10860396956), (4, 5430198478), (8, 2715099239), (23, 944382344), (46, 472191172), (92, 236095586), (184, 118047793), (467, 46511336), (934, 23255668), (1868, 11627834), (3736, 5813917), (10741, 2022232), (21482, 1011116), (42964, 505558), (85928, 252779)]