21048599

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 26664960

約数和(自身を除く): 5616361

約数列:

[1, 11, 13, 19, 61, 127, 143, 209, 247, 671, 793, 1159, 1397, 1651, 2413, 2717, 7747, 8723, 12749, 15067, 18161, 26543, 31369, 85217, 100711, 147193, 165737, 345059, 1107821, 1619123, 1913509, 21048599]

約数ペア:

[(1, 21048599), (11, 1913509), (13, 1619123), (19, 1107821), (61, 345059), (127, 165737), (143, 147193), (209, 100711), (247, 85217), (671, 31369), (793, 26543), (1159, 18161), (1397, 15067), (1651, 12749), (2413, 8723), (2717, 7747)]