21914695

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 30746880

約数和(自身を除く): 8832185

約数列:

[1, 5, 11, 19, 55, 67, 95, 209, 313, 335, 737, 1045, 1273, 1565, 3443, 3685, 5947, 6365, 14003, 17215, 20971, 29735, 65417, 70015, 104855, 230681, 327085, 398449, 1153405, 1992245, 4382939, 21914695]

約数ペア:

[(1, 21914695), (5, 4382939), (11, 1992245), (19, 1153405), (55, 398449), (67, 327085), (95, 230681), (209, 104855), (313, 70015), (335, 65417), (737, 29735), (1045, 20971), (1273, 17215), (1565, 14003), (3443, 6365), (3685, 5947)]